Loop YouTube videos, and control how long you want to play a YouTube video for.
Yout - YouTube to Mp3 Converter
FacePause - Look away to pause YouTube videos
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
ListenOnRepeat - 24/7 curated music streams
CONV. - Convert YouTube video to MP3, GIF or MP4
SongFlip - SongFlip – Free Music Streaming and Player is one of the most popular free music streaming apps, that allows you to get access to millions of songs right over your cell phones.