Need an Developer for an Android App which will Scan and Convert to PDF/JPEG

The work of the developer is to develop an android app which will Scan and convert to PDF. Here are the following features that is required to have in the app: 1. The app should scan paper documents such as receipts, invoices and notes to PDF format. 2. The app's home screen should be a library of items scanned. Clicking an item should allow user to view the PDF contents. 3. There should be option to choose from either single page or multiple pages to scan. 4. After taking a photo, the app should automatically detect the borders of the document. 5. Rotating the photo to the left or right is a mandatory option. 6. Other additional features like Contrast, brightness and details can also be added but it's not mandatory to have. 7. Any further modifications or suggestions from developers are also welcomed. Some key points to be remembered are: 1. In the app the credits of app developer is not allowed. 2. All the files related to the development of this app (including source codes, images, android studio files, etc.) has to be shared with us and after project completion the developer has to delete those files. Any files retaining with the developer will be in violation to the terms of service and violators might be prosecuted if held responsible. 3. We also might ask you to install all the files related to the development of the app in our system remotely. 4. Also the developer has to explain the codes if asked. 5. Use of intellectual property of any sort (patent, trademark, or copyright) is not allowed.