Night Mode for Nexus

Eyes Protector: It protects your eyes and gives you comfort while reading or playing. This feature makes it one of the irreplaceable apps for night readers.

Energy Saver: This app also reduces your phone's power usage and saves your battery. Use this feature when your phone is low on battery.

How it works?
Night Mode App applies new transparent black solid layer of screen filter. Which reduces your screen brightness. You can regulate this brightness by adjusting transparency of black layer.