Screen Filter (com.gerugugulab.screenfilter) on Google Play
Applies a dimming filter of various colors on display.It will soften powerful light of display.It even saves battery life for displays.- Easy access to preset brightness levels.- Enabled to set colors (R, G, B) of filter freely.- Supported Tasker/Locale Plug-in.When you click the launcher icon, the filter will be toggled ON / OFF.In the filter enabled, click the notification icon to appear the settings activity.Please be careful not to lower the brightness too much.If you accidentally make your display go black...1. Pull your battery or hold power button for 10 seconds2. Uninstall the app to reset your bad setting3. Reinstall the app and use it normally again