To protect your eyes during the night.
* Dim screen brightness.
* Darken navigation bar.
* Stop timer.
* SYSTEM_ALERT_WINDOW - To filter the screen.
How to install Screen Brightness APK?
2. Click the download button to download Screen Brightness.Once the download completed,find Screen Brightness in your download folder or notification center and tap the icon to install the APK.
3. Find Screen Brightness icon in your home screen then tap the icon to open it.