Android Music application -- 3

Build a music application using Java. You have to knowledgeable about Android Studio and XML as well. You have to work both on frontend and backend of this project. Please implement these following features:
1. Allow the users to play their song playlists in this app itself.
2. Have the feature to save the favorite songs.
3. Implement AudioManager through Java.
4. Allow the users to import the songs to the application from the device
5. Allow the users to play, pause, stop and change the playback speed of the songs.

Deadline: 22nd March, 2022
Budget: $40. It can be negotiated upto $50. Serious inquiries only.