adjust screen brightness when necessary and back to the level you used to
do not adjust brightness like blind, instead with this tool you can know what is the current level and the level you are sliding to.
like if you were playing a game in night mode map or dark place you can easily and quickly increase brightness and set it back to the level you feel comfortable with it after you finish playing.
Installing this app is just like you installed nothing, it does not consume cpu, ram, battery or anything else.
This app does not run in background, it is lighter than what i can explain.