nice notification controls! color filter option too. auto dimming as well  but many nice phones have poor  very limited sensors so almost nobody can have high hopes for auto-brightnesd controls. it is too bad other app designers focus on looks before needed features. I would add saving a few custom color filters as presets  with a notification button to cycle through them. I wasted money on paid apps that wasted their features on poor interfaces. this is the only screen adjuster so far with a useful interface. Low memory useage too!
June 29 2016