GOOGLE HAS DISABLED ALL modifications for GAMMA control! CUSTOM KERNEL is REQUIRED for 4. 2. 2+! FOR NEXUS 4 and Nexus 5 ONLY! Feel Free to email me directly for issues and support before commenting with low ratings. Thanks! Recommended settings for Nexus 4: Really POP colors for FauxDisplay users: D almost Gamma 2. 2 across: D.