Loop YouTube videos, and control how long you want to play a YouTube video for.
FacePause - Look away to pause YouTube videos
TUUNES - TUUNES is the world’s #1 superstore for music, ringtones and more.
mps-youtube - Terminal based YouTube player and downloader
Boom - Boom: Music Player & Equalizer is a beautiful music player app by Global Delight Technologies Pvt.
ListenOnRepeat - 24/7 curated music streams
Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.