Brightness is a free Android app developed by Dualimpuls that allows users to easily adjust their screen brightness in just two steps. The app offers four different brightness modes, including lowest (0%), half (50%), highest (100%), and an automatic setting that uses the light-sensor. The currently selected mode fades in and out slowly, providing a smooth transition and a more comfortable experience for the user.

To use the app, simply open it and select the desired brightness mode. The interface is user-friendly and easy to navigate, making it a great option for those who want a straightforward and efficient screen brightness control app.

Overall, Brightness is a useful and practical app that delivers on its promise of providing a simple and elegant solution for screen brightness control.