Android Apps to Automatic brightness dimming

Red Moon is an open-source Android screen filter application designed to reduce eye strain and improve sleep quality by adjusting the screen's color temperature and brightness, primarily by filtering out blue light during nighttime use.

SketchPort is a versatile web-based digital drawing application designed for artists of all skill levels. Offering a modern interface and a comprehensive suite of tools, it facilitates everything from quick sketches to detailed illustrations, with features like layer support, customizable brushes, and community integration.

f.lux is a cross-platform application designed to reduce eye strain and improve sleep patterns by automatically adjusting the color temperature of your display based on your location and time of day. It gradually transitions the screen color from bright daytime tones to warmer, dimmer tones as the evening progresses.