Sources and More:
Code:
https://market.android.com/details?id=com.google.android.youtube&hl=en
Free Download:
http://ul.to/g49d4djn
Mirrors :
http://www.megashare.com/3986505
YouTube v2.4.4 :
http://ul.to/hc20cklx
Mirrors :
http://www.megashare.com/3986504