Data Entry

I need android mobile application , it is integrate between ( do list + whatsapp application ) 1- user should login to the application using user name and password 2- users can add each other and ( chatting send photo + voice note ) 3- the user can create multible catigories to arrange the tasks inside it for examble user create category name it ( reading list ) inside this category user build task with spacific time and date to alert the user example ( reading book1 and set the time and date to alert ) ) 4- users can share with each other single task or multiple tasks ( share category ) 4- user can review his weekly schedual depend on tasks that users build