f.lux (rooted phones only) v20.0 Apk
Requirements: 4.0.3 and up
Overview: f.lux removes the bright blue colors from your phone to help you wind down at night and returns your screen to normal the next day.
This version needs to deal with many rooted Lollipop and even Marshmallow gadgets (5.x... http://www.apkformod.com/f-lux-rooted-phones-only-v20-0-apk/