As too many people are facing problem with GAME KILLER "ROOT PRIVILEGE" today i bring you the solution :) working 100% with all ROOTED android devices..BUT *Make sure your device is rooted to use game killer otherwise this process won't work*.!!
Tested on = Android 4.0 ,4.0.2,4.0.3,4.0.4 , 4.1 , 4.2 ,4.3 , 4.4.4 kitkat.
THIS APP SUPPORTED WITH ROOT ACCESS ONLY
*NOTE* :- Your device must be rooted to use Game killer otherwise you keep getting Error *ROOT PRIVILEGE NEEDED*