But why spend something like $9.99 on a feature that can be hacked for free?
Here is a tutorial for you to continue playing YouTube videos in the background on your smartphones/tablets for free.
*Go to the YouTube site through Safari.
Search and play the music video you want and wait till the video plays in full screen.
Now swipe and bring up the control center and tap the play button.
For Android
* Firstly, download and install Mozilla surfing app on your Android machine.
kick off the YouTube site in Mozilla.
Youll be redirected to the desktop site of YouTube.
source: www.techworm.net