Remote install mobile tracker jobs

I'm looking to create a binding within Openhab for an Elmo alarm system. The binding needs to enable the following functionalities: - Remote arming and disarming of the alarm system. - Monitoring the status of individual sensors and zones. - Sending sensor states to OpenHAB items. I do have a similar project that was written in Python for Home Assistant which I can provide as reference and guidance. Ideal Skills: - Strong experience with Openhab binding. - Proficiency in Python programming. - Familiarity with the Elmo alarm system will be a plus.

**Job Posting: AI Music Lyrics Generator** **Position:** AI Music Lyrics Generator Developer **Location:** Remote **Type:** Full-time/Contract **About Us:** We are a cutting-edge tech company dedicated to revolutionizing the music industry through innovative AI solutions. We aim to empower musicians, artists, and producers by providing them with advanced tools to enhance their creativity and productivity. **Job Description:** We are seeking a talented and experienced AI Developer to create an advanced AI Music Lyrics Generator. This bot will be capable of analyzing uploaded instrumentals and generating both the lyrical flow and content to match the music. The lyrics produced must be clean and suitable for audiences aged 18 and above. **Key Responsibilities:** - Develop and imp...

I'm in search of a skilled .Net mobile developer to finalize my .Net Maui mobile application. The key tasks include: - Implementing the logic, specifically around user interface interactions. - Although user authentication, data synchronization, and push notifications were not explicitly mentioned, familiarity with these aspects would be advantageous for potential troubleshooting or further development. The mobile application is already well underway, with views, and a nearly finalized backend. Therefore, I need a freelancer who is proficient in both .Net and Maui and can confidently complete the application. Ideal skills and experience: - Proficiency in .Net and Maui - Experience in mobile application development - Understanding of user interface intera...

I am looking for an expert app developer who can create an Android and iOS app, including a web page, for finance management. The main functionality of the apps and web page will cover common finance-related features. While applicants' skills and experience in developing finance apps are highly desirable, I am open to experienced mobile and web developers who can demonstrate innovative thinking. Access to financial information on the applications should be via login with username and password. Advantage will be given to developers who can also provide a secure, user-friendly login system. The ideal skills and experience for this project include: - Expert in Android and iOS app development - Knowledge and experience developing web pages - Experience with finance-related app...

We are in need of a virtual assistant to post a job daily on LinkedIn following a specific set of steps. Ideal candidates for this position should have: - Excellent attention to detail - Strong organizational skills Only one job post will be required per day; we provide the necessary information to include. This is an ongoing posi...candidates for this position should have: - Excellent attention to detail - Strong organizational skills Only one job post will be required per day; we provide the necessary information to include. This is an ongoing position and the right candidate will be detail-oriented, able to work independently, and have strong communication skills. Please apply if you're interested in becoming a part of our remote operations team as a virtual assist...

More details: Which platform(s) do you want the mobile application to be developed for? Both What primary function should the mobile application serve? Cloud Kitchen What features would you like the mobile application to have? Menu ordering, Delivery tracking, Customer reviews, Live Videos Streaming

I'm seeking a skilled developer to create a comprehensive priest booking platform that will enable users to book priests for religious services and schedule events at specific temples or with particular priests. Key Features: - User Registration and Login: The platform should provide a seamless registration and login process to users. - Search and Filter for Priests: Users should be able to easily search and filter for priests based on location, preferred language, and availability. - Booking and Scheduling System: An efficient booking and scheduling system is required. This should allow users to select their preferred date and time for the service or event, receive confirmation and reminder notifications, and make payments online. Ideal Skills and Experience: - Proficiency in fro...

...could create a website, develop a mobile app, and design a logo for my upcoming project. Unfortunately, I skipped some of the questions, but the requirements are as follows - The Website: - The website should be user-friendly, responsive, and visually appealing. - It should incorporate features like user registration and login, payment integration, and social media sharing. - While I don't have specific design preferences, I'm looking for a modern and professional design. The Mobile App: - The mobile app should have a seamless user experience and should be compatible with iOS and Android platforms. - The app should have similar functionalities to the website, allowing users to register, make payments, and share content on social media. - An understanding...

We need an experienced Magento developer to assist with updating third-party extensions when conflicts arise due to newer php/mysql versions. Timeline: Start on the first project on 20th May using remote desktop tools like UltraViewer or AnyDesk for real-time collaboration. Bidders must be highly proficient in Magento 2.4x.

...areas to rectify an unexpected issue with a stolen phone and compromised Gmail account. - Bypass Google's second verification: My Gmail account is currently secure with two-step SMS verification. However, the difficulty is that I don't possess access to the phone where the verification code is sent via SMS. Thus, I need assistance in circumventing this verification to recover my Gmail account. - Remote data wipe: Since my phone has been stolen, I wish to delete all data stored on it remotely. I'm looking for a professional with understanding in Google’s verification systems and proficient knowledge in remotely wiping data from an Android device. Privacy and accuracy are paramount in this task along with a swift completion. Your previous experience in cyber ...

...WordPress powered website, I find myself beset by an issue related to the appearance of my homepage on mobile devices. First, it appears the layout of the mobile version differs significantly from the desktop version. I'm looking for someone who can troubleshoot this and ensure consistency across both versions. Your first task will involve ensuring the same layout for both desktop and mobile versions, mirroring the successful desktop version's layout. Next, there's a glitch with the content display on my mobile homepage. It seems to be displaying content incorrectly, and I need you to rectify this. Essentially, your role here will be to fix any errors that cause incorrect content display on mobile, making sure all elements appear as th...

I'm in need of a skilled UI/UX designer who can create a mobile interface that's minimalistic and modern while prioritizing user engagement, ease of use, and brand consistency. JOB DESCRIPTION FIXED BUDGET Stage 1: UI/UX Research - $30 Research and ideation: Analyze similar apps. Conduct qualitative and quantitative surveys. User flow: Develop flows for key features. Stage 2: UI Style Guide - $15 Includes typography, icons, and colour schemes. Stage 3: Screen Design Simple Screens (e.g., Onboarding, SplashScreen, Login): $5 each Medium Complexity Screens (e.g., Account page): $15 each

As an experienced data entry professional with three years of remote work experience, I am seeking new data entry opportunities from home. My expertise primarily lies in entering customer information, a task I have performed with precision and efficiency in the past. Key Requirements: - Data Entry: Primarily focused on entering customer information. - Software Proficiency: Proficient with Google Sheets. Ideal Skills: - Exceptional attention to detail. - Strong organizational and time management skills. - Previous experience working remotely. - Familiarity with other tools or software for data entry tasks is a plus.

I'm looking for a skilled and experienced Native Android developer who can help me with an issue regarding my custom-made AZAN alarm app. The problem is that the AZAN Alarm isn't functioning as it should. some time work sometimes no. IMPORTANT NOTE:- *THE ONLY ONE WHO CAN FIX CODE ON MY COMPUTER VIA REMOTE DESKTOP CAN COT HERE. PROJECT WILL BE AWARDED BEFORE START* Key Responsibilities: - Diagnose and troubleshoot the issue with the AZAN Alarm - Fix the alarm, ensuring it works consistently and accurately - Test the app after the fix to confirm the problem has been resolved Regards

We are in se...Skilled in extracting and understanding content from PDF files - Strong problem-solving skills and attention to detail Details - Upload Excel file containing Expediente Codes - Use automation and OpenCV to solve Captcha and download files - Upload files to s3 bucket - Integration with existing system - use google to authenticate to the system (maybe change to office 365) Requirements: - REMOTE SERVER: Existing server - Access to S3 Bucket - Access to chatgpt api - Access mysql aws instance We need access to final git repository Project Completion: 2 weeks This project is an exciting opportunity to work on a cutting-edge software integration and development. If you have the right skills and enjoy a challenging, innovative project, I'd love to...

HI we are looking for Web and mobile app developers for cs cart who can also give some idea. ( using ) Reference is We will add Auction bidding option ( ) I was hoping to see any references you’ve created that is similar to direct-liquidation idea, we want something very similar but with having the auction feature added, which is something already available and offered from CS-Cart Looking to see what would you suggest to make with a similar idea to our reference Buy now and Bid option with payment gateway. multivendor with a bidding system. Ppl can buy or bid based on vendors choice and the system

... I'm seeking a talented website developer to build a comprehensive e-commerce website. As far as specifics, the project details remain opaque at this time indicating a need for versatile skills. What You Bring: - The ideal freelancer will be adaptable with experience building various kinds of e-commerce platforms. - Expertise with payment integration, even if we don't decide to install it initially, it's essential to know how it works for possible future implementation. - Mastery over diverse functionalities like user registration, product search, shopping carts, and checkouts, among others. Since the products to be sold or the exact functionalities to be installed aren't known at this particular moment, flexibility and open-ended creativity will be much a...

...that I'm developing. The design will be specifically for a mobile platform. Key Features: - Real-time Monitoring: The primary function of the app is to provide users with real-time monitoring of their smart home devices. - Notifications: The app should be able to push notifications to users to alert them of any important events or changes in their home. - Remote Control: While not explicitly mentioned, I'd like to ensure that remote control features are intuitive and accessible in the design. Your deliverables should include wireframes, mockups, and a clickable prototype. Prior experience in designing for IoT or home automation applications is a big plus. Please also provide a portfolio of your previous UI/UX designs for mobile apps. Looking...

Hi, We are currently looking for a talented react native developer to help us deliver our first notifications app for iphone and android. We are a web-development company that has developed a community platform that connects people and encourages them to support each other through sharing time, knowledge and support. We are looking for responses to our brief to understand the cost and time to deliver an app that will keep our community members up to date with all their community notifications. We have attached a brief and here is a link to link to an overview video: We’d love to receive responses by Wednesday the 29th May and we will aim to select a developer to work with shortly after. Best wishes

Calling all superstar Business Development Specialists! Do you crave building strong relationships and exceeding targets? Are you passionate about the future of remote work? We're a remote-first recruitment agency on the lookout for an exceptional BDS to supercharge our US client base! Here's the Game Plan: - Target: Verified US companies (1-500 employees) actively seeking top talent for their remote positions. - Become an Expert: Deep dive into the hiring needs and challenges of industries embracing remote work. Master the art of tailoring our recruitment solutions (traditional, RaaS, Staff Leasing) to meet the unique needs of small businesses. - Lead Generation Guru: Craft targeted prospecting and outreach strategies to generate high-quality leads...

I am looking for a skilled individual to customize and install a website template for my project. The ideal candidate will have experience with website design, development, and template customization. Requirements: Proficiency in HTML, CSS, and JavaScript Experience with website templates (e.g., WordPress, Joomla, HTML templates) Ability to modify and customize templates to meet specific requirements Knowledge of web hosting and installation processes Attention to detail and good communication skills Responsibilities: Customize the website template according to my specifications Install the customized template on the web hosting server Ensure the website is fully functional and responsive What

I'm looking for a skilled 1C developer who can assist with a comprehensive set of tasks related to my 1C:Enterprise 8.2 v system. Main Tasks: * Customizing the existing software * Developing new modules * Integration of the 1C with other systems Industry Application: The tasks should be carried out with an understanding of the retail and wholesale sector requirements. Thus, experience working in this sector will be advantageous. Ideal Experience and Skills: * Extensive knowledge and understanding of 1C:Enterprise 8.2 * Proven experience in customizing and upgrading 1C:Enterprise software * Prior experience in creating and launching new modules * Ability to successfully integrate 1C with other systems, ensuring seamless transition and function. * Knowledge of the specific needs an...

We are seeking a virtual assistant to assist with daily job posts on LinkedIn. Key Responsibilities: - Daily job post on LinkedIn, once a day at the time slot of your preference. The ideal candidate for this role should be well-versed with LinkedIn and have excellent organizational skills to ensure the job posts are made consistently and timely. A creative individual who understands the dynamics of job postings and can present them in a professional yet engaging manner will be highly preferred. This role need no experiance so anyone can apply, this may be a perfect fit for you.

I am planning to use 1.69" LCD Display Module (240x280) with raspberry pi 5 to draw animated eye … I am looking for a developer to help me in 1- setting up the screen to work with raspberry pi 5 like this :RPI_for_1.69_lcd_module 2- setting python on my raspberry 3 - write a python code to ...raspberry pi 5 to draw animated eye … I am looking for a developer to help me in 1- setting up the screen to work with raspberry pi 5 like this :RPI_for_1.69_lcd_module 2- setting python on my raspberry 3 - write a python code to draw animate eye like this I will give remote access to my raspberry pi 5 and the developer should install everything live to my items.

I'm in need of a virtual assistant to handle some of my workload. Your tasks will include recru...management abilities. The most important thing is your willingness to learn and your reliability. Please only apply if you can commit to the specified hours and are serious about this opportunity. Having a computer is mandatory Should have at least 1 year of Virtual Assistance experience + Social networks experience is important + Jobs website handling is beneficial+ Ready to work 100% remote / work from home + Flexible hours + 6 days a week + Full time + Good computer + Good Internet connection + Start Immediate + From any country ( Indonesia / Bangladesh / Philippines / Asia / Africa countries / China / Russia / Bulgaria / Colombia / Peru / Venezuela / South Ameri...

I'm seeking a talented designer skilled in creating user experience (UX) designs for both mobile apps and websites. The mobile app in question is a native application, thereby requiring comprehensive knowledge and experience in native mobile UX design. Specific Requirements: Branding and Aesthetics: Clean, modern design with a professional yet approachable feel. Consistent use of our brand colors, fonts, and logo. (Brand guidelines will be provided.) Typography and Color Scheme: Use of accessible color schemes to ensure readability and visual comfort. Clear hierarchy in typography for readability and navigation ease. Interactive Elements: Design of interactive elements like buttons, forms, and menus. Intuitive navigation and user-friendly interfaces. Expecte...

I'm seeking an adept professional to develop a cross-platform app for real estate. Available on iOS, Android, and Web, the app's functionalities must include: - Property Search: An intuitive, user...allowing: - User registration/login: Smooth user registration and login process. - Agent registration/login: Smooth Agent registration and login process. - Property listing details: Detailed information showcased for each property listing on Map. - Contact agent/owner: Messaging feature to facilitate communication between users and property agents/owners. Ideal candidates will have a proven mobile and web app development track record, preferably within the real estate sector. Proficiency in implementing the aforementioned functionalities and features is critical. I look f...

As discussed via messages

I need a project for a structure placed on the ground for an installation of photovoltaic panels. The installation will consist of 20 panels with dimensions 1134x2278x30 mm. I would like the actuation to be done with the help of an electric actuator. I am interested in a structure made of usual metal profiles. The project must contain the constructive details of each element.

I'm looking to develop a hardware system for a fitness rig that involves real-time human movement tracking. The system should be a combination of microcontrollers and computer vision technology, specifically using Arduino boards and Raspberry Pi. Key Requirements: - Real-time Movement Tracking: The primary functionality of the system is to track human movement accurately and in real-time. This involves capturing and processing data on various physical activities. - Minimalistic and Functional Design: I envision a setup that is small, lightweight and unobtrusive. Skills and Experience Needed: - Proficiency with Arduino boards and Raspberry Pi is a must. - Experience with computer vision, machine learning and human movement tracking is highly desirable. - Understanding of ...

The Job You will be responsible for : Handling inbound calls and emails in a professional manner. Resolving customer inquiries and requests and ensuring strong customer satisfaction. Working with various internal teams to ensure prompt and accurate order processing and delivery. Escalating customer feedback as required. Ideal Candidate You have at least 1 year experience within a Customer Service or Customer Success role, ideally within the Ecommerce / Marketplaces, IT Services and Retail industry. You possess excellent interpersonal as well as written and verbal communication skills. You are a strong team player who can manage multiple stakeholders You are adaptable and thrive in changing environments You pay strong attention to detail and deliver work that is of a high standard

1. Introduction This specifications document outlines the requirements for developing a mobile application compatible with Android and iOS using the Flutter framework. The application will include the following features: a loading screen, a login page with Facebook login, Google login, and email/password authentication, a WebView pointing to , and integration with Wonderpush for push notifications. 2. Project Objectives To develop a user-friendly and functional mobile application that allows users to log in through multiple authentication methods and access the website via an integrated WebView. The app should also be capable of sending push notifications. 3. Required Technologies Framework: Flutter Languages: Dart Compatibility: Android and iOS Push Notifications:

...Strong interpersonal skill • Most importantly be passionate about communicate and helping others Nice to have • Amazon account suspensions & disputes knowledge • Amazon FBA disbursement & shipping plans knowledge • Expert in PowerPoint • Strong analytical and reporting skills including measuring the performance of all Amazon campaigns What we offer • Competitive salary • Private insurance • Fully remote work with flexible working hours • Career growth opportunities • On the job training on other Amazon related skills • Annual Leave (yes you heard right!) • Bonus holiday on your birthday! • Amazon training certifications • A friendly and amazing environment to work in and grow your skills. • A tea...

Need expert who install adobe premierr pro in my laptop. One time job, need latest version. Software install on Anydesk on my laptop.

...an application that allows for seamless remote control of ventilation systems. The ability to work across multiple platforms is essential as the application needs to be compatible with iOS and Android devices, as well as Windows computers. Primary Features: - Timer scheduling - Remote control of ventilation systems - Monitoring parameters including temperature, humidity, twilight, and weather - Real-time notifications and alerts - Scheduling system actions - Support for multiple users simultaneously Given the sensitive nature of the data and operations, the application must be secure. Your work will involve implementing advanced encryption to safeguard our communications and data. The ideal candidate for this project should be proficient in mobile and desktop app...

...looking for a professional who can create a mobile photo editor app. This app requires the following functionalities and characteristics: - Editing features: The app should allow users to crop and resize their photos as well as adjust the brightness and contrast. These editing capabilities are essential to meet the needs of my users. - File formats: The app should support JPEG file format, as it is the most commonly used format for sharing pictures. - Multi-platform: The app should be designed for mobile platforms. This means it should run smoothly and efficiently on iOS and Android devices. Ideal candidates should have experience working on photo editing apps and be able to showcase a portfolio of similar projects. They should be proficient in mobile app developm...

We are seeking a freelancer to help us recruit testers for a closed testing phase of our mobile app. The app is in its final stages of development, and we need a group of engaged users to participate in a 14-day closed test. Your task will be to find and recruit at least 20 testers who will opt-in and actively use the app during this period. Responsibilities: Identify and recruit a minimum of 20 testers. Ensure testers are engaged and provide feedback over a 14-day period. Monitor the progress and participation of testers. Provide support to testers if they encounter any issues during the testing phase. Collect and organize feedback from testers for our development team. Requirements: Proven experience in recruiting participants for beta tests or similar projects. Strong communica...

...skilled developer who can create a CS-Cart website along with both Android and iOS mobile apps. Please note that I have not specified the primary features for the website. In terms of the design, I'm open to suggestions. Reference is We will add Auction bidding option as well Mobile App You have an access to the mobile app source code for 1 year. Please let me know your GitHub account username so we could send an invitation to the repository. The source code can be used for the app customization with a hired developer. If you want us to build the standard mobile app for you, please follow these steps: 1. Please install the Mobile application add-on in your admin panel. Add-ons are installed in the Add-ons

Project Scope * Overseeing the development of a new website for the Client; * Launching an e-commerce store within the new website; * Creating and optimizing meta...presence for the initial project kick-start 16th to the 27th of May 2024 and with on-site presence half way or towards the end of the project (dates to be discussed). Fee is $25,000 per month. Initial period projected to be 3 calendar months from the 16th of May 2024 to the 16th of August 2024. If my services are required after the estimated completion date of the 15th of August then the monthly remote fee is $25,000 per month. Payment schedule First payment - 17/05/24 - HKD $20,000 (USD $2,562) Second payment - 01/07/24 - HKD $20,000 (USD $2,562) Third payment - 16/08/24 - HKD $35,000 (USD $4,484) Total HKD $75,000 (U...

I am looking for an efficient app developer who can build a multifaceted app for my sports club. The intention behind this app is to create a centralised platform where not only club members, but also coaches, staff, and potential new members can easily manage and get access to a whole set of functionalities, including: - A schedule and booking management system that can keep everyone updated regarding various events, classes, and resources available. - Seamless membership management to manage subscriptions, renewals, and other member-related details. - An effective team communication mechanism to streamline discussions binding our community. - An e-commerce setup for selling relevant commodities. Ideal candidates should have proven experience in developing interactive and efficient apps...

I am in need of a professional who can rigorously test my mobile application for functionality across both Android and iOS platforms. Key Requirements: - Proficient in functional testing: You should be adept at identifying, documenting, and reporting bugs, and carrying out necessary corrective measures. - Multi-platform experience: The ability to test on both Android and iOS platforms is crucial. - Real Device Testing: It is essential that you have access to a range of real devices for the testing, as this is a key requirement of the project. The testing should be thorough and cover all aspects of the application's functionality and usability to ensure a high-quality end product. Your insights and recommendations for improvements will be highly valued.

Project Scope * Overseeing the development of a new website for the Client; * Launching an e-commerce store within the new website; * Creating and optimizing meta descriptions and images for each SKU; * Aligning and enhancing the Client's marketing strategy; * Creating a 12-month marketing calendar; * Collaborating with the website development team and internal IT a...presence for the initial project kick-start 16th to the 27th of May 2024 and with on-site presence half way or towards the end of the project (dates to be discussed). Fee is $25,000 per month. Initial period projected to be 3 calendar months from the 16th of May 2024 to the 16th of August 2024. If my services are required after the estimated completion date of the 15th of August then the monthly remote fee is $25...

I'm looking for a cross-platform mobile app developer to create an app focused on daily reporting. Below are some key details to be aware of: - The app needs to be cross-platform, compatible with both iOS and Android devices. - The primary goal of the app will be daily reporting. This means users will be able to easily submit reports on a daily basis. - The app should be intuitive, user-friendly and well-designed. - Security is also a key consideration, as the reports will likely contain sensitive information and should be well-protected. - Please provide examples of similar cross-platform apps that you have developed. - Experience with reporting functionalities and/or data security is a plus. Features of the Application will be, Name and class of app is daily Class re...

Hi Mahmoud. Just inviting you to make a start on the UI screen for this mobile app. There are really on 5-6 main screens, but I think we will need to show how each type of question will look like. Basically is will be a cut/paste of the question screen and change the question/answer. Hope your ok with this. I have looked around at some ideas which I will upload for you to be inspired from.

I'm looking for someone to help me with a few marketing, advertising and design tasks. This will be a long-term project across maybe even years that will pay you $250-2500 upfront monthly no security paymen...bring in and how well you manage them. Ideal candidates should have the following skills: - Mid-level experience in graphic design and video production - Advertising skills is a plus - Proven track record of working in the creative/design industry - Being able to speak and write in fluent english at a minimum You must be a good communicator and able to manage your time efficiently. This is a remote job and you'll be required to provide regular updates on the work you're doing. Please apply if you're confident in your creative and design skills and can b...

...reference only) 【1　Background】 This technology pertains to a system that utilizes mobile devices in vehicles. Specifically, it combines a smart key system with Ultra-Wideband (UWB) wireless communication to authenticate the mobile device with the vehicle and precisely detect the location of the device. Based on this location, the system determines whether to allow or deny vehicle operations. This aims to enhance security and service quality. However, since UWB communication uses high-frequency bands, communication may become challenging depending on the device's location and surrounding environment. Therefore, this technology aims to provide a system that facilitates reliable high-frequency communication between the mobile device and the vehicle's equipme...

convert the designs from the functional requirement document to a flutter app

We’re the leading recycler and trading house specializing in metal scrap, e-waste, electronic scrap, telecom scrap, and automobile parts scrap. Our global team is committed to delivering top-tier services to our valued customers, suppliers, and business partners. Upholding principles of integrity and quality, we strive to provide premium raw materials to clients worldwide at competitive prices.

I'm seeking a skilled designer to help create an game-like, social community application for both iOS and Android platforms. I already have the design in mind but lack the skills to act...- Design an engaging, beautiful and highly interactive app. Hopefully you are an experienced gamer and can visualize and game-like app that is essentially a virtual school. Design Specifications: - Implement a vibrant and interactive aesthetic style - Colorful yet uncluttered interface - Intuitive navigation and feature accessibility - Game design capabilities Ideal Candidate: - Proficient in mobile app design for both iOS and Android - Demonstrated experience in creating game apps - Strong understanding of colorful and interactive design principles - Portfolio showcasing their past work in ...

I am looking for experienced mobile app developers to create a unique app with robust e-commerce capabilities. While I have no specific preference for a coding language, your skill in Python, JavaScript, or PHP should be commendable. Key Requirements: - Versatile in coding, with proficiency in Python, JavaScript or PHP - Prior experience in developing mobile applications - Extensive knowledge in integrating E-commerce functionalities The main objective of this project is to bring forth a user-friendly and efficient mobile application. Your role would be pivotal in achieving this, and ample experience in this field would be preferred. Please submit your bid with an outline of your proposed plan and relevant portfolio showcasing your skills in mobile app devel...