BrightnessClick is a free Android app developed by STUDIO IMIM that allows you to adjust the brightness of your screen with just one click. The app is designed to provide an easy and quick way to adjust the brightness of your device, without having to go through the settings menu.

With BrightnessClick, you can customize up to 5 different brightness settings, each with their own message. To switch between these settings, simply tap the app icon. The app also includes a feature where you can quickly access the settings screen by double-clicking the icon.

Overall, BrightnessClick is a simple utility app that provides a convenient way to adjust the brightness of your device with ease. It is important to note that this app is not a widget, and must be accessed through the app icon.