by Justin Klüver
You want to change your CPU Mode without another app? then is it for you! this will show a message in the notification bar where you can change the Cpu mode! or if you want to have more battery ^^
Added for Android 7+ / Cyanogenmod 12.1+ (and unoffizial for Android 6) a Tile option for that :)
Rate and review within the app in the Community section.