PVSTAR+ : How To Play Youtube Videos in Background on Android

Android App - PVSTAR+ - Youtube but AWESOME - HD

How To Listen To YouTube Music In The Background On Any Android Device (UPDATED LINK IN DESCRIPTION)

How to watch youtube offline, PVSTAR + android that can save/cache videos

How to continue playing music from outside the youtube app!

How to Play YouTube Audio in the Background on Android

How to get audio to play in the background in YouTube without jailbreak

YouTube in background using HALO