You can get the free screen dimmer for iPhone (iOS 8 or higher needed) and Android (Android 4.4 or up is needed) today. Where you can dims the mobile pages in one tap on the white lamp button. To get this app go to the Apple or Google Play Store and search for the “Turn Off the Lights” app. Or download it direct from this mobile website:
Screen dimmer for iPhone and Android
It’s a dark mobile web browser where it have everything you need on to go. From bookmarks, history page, tabs and one lam button to dims the web page.