My mums Android 4.0.4 doesn't run YouTube because it forces an update that my mums phone is incompatible for. So she's stuck without it. : r/AndroidHelp
Download YouTube for android 6.0.1
How To: Fixing YouTube on Android 4.0.4 and Higher Samsungs - YouTube
How to run YouTube on old Versions 4.0 / 4.1 / 4.2.2 - YouTube
Amazon.com : Black Color 7.0 ZEEPPAD(TM) Android 4.0 Tablet 4GB Capacity WiFi, Camera, YouTube, Games SKYPE Video Calling & Netflix Movies BUNDEL with Artificial Leather CASE : Electronics