How to Play YouTube Video in Android Using YouTube API? - GeeksforGeeks
ProTube Android | YouTube Vanced App + Download Video MP4 and MP3 (Facebook / AdMob) by CreativeStudioVN
GitHub - tubeapi/Best-Youtube-to-MP3-MP4-Button-API: It's an API that helps developers add YouTube download buttons (MP3 or MP4) in a simple, secure and free way.
command line - How to select video quality from youtube-dl? - Ask Ubuntu