An android application that let's you download YouTube videos in mp3 and mp4 format. You can download the android application here.
The application searches for the song on youtube by using the youtube API. The youtube url is then handed over to backend flask application which converts the video to mp3 or mp4 file and then returns the link to the file back to the application.
To start contributing you can clone the forked project (forked?) in android studio (how to?), and that's it! You can start contributing by solving issues listed here or if you find issues or want to suggest features, you can do so under the issues tab.