Blue light from the screens of your mobile phones and tablets could be harmful to your eyes. EyeCareL can reduce the blue light by changing the color of your screen. It is recommended to turn on this app when you are reading or playing games especially in a dark room. This app is light-weighted and stable, cost very little memory and CPU resources. Features: 1.Adjusting the filter power by changing the opacity of the filter color. 2.Five different colors to choose from. 3.Adjusting the screen