This app protect your eyes from phone screen. When you use mobile at night. The Screen harm your eyes. So this app help to protect from screen. This app make your phone screen as dark theme. So your eyes not damage from screen. When you open others app like social media apps or other app. Their app theme be dark. So you can easily use mobile at night.We add three option in this app.Day ModeNight ModeAuto ModeWhen you click on night mode. The Phone is going in to dark mode. Phone screen theme, Apps Screen, notification area and Also Navigational Bar being dark mode or dark theme.I hope this app you like it ;)