I wrote one for myself: https://play.google.com/store/apps/details?id=net.ashishb.androidmusicplayer https://play.google.com/store/apps/details?id=net.ashishb.a

I wrote one for myself: https://play.google.com/store/apps/details?id=net.ashishb.androidmusicplayer https://play.google.com/store/apps/details?id=net.ashishb.an... it plays both local files as well files from Google Drive (without requiring access to full Google Drive)