CoreBooster. Old name: AndroBooster. Why CoreBooster? Cleans RAM and freshes device. Gamer theme. RAM management. Cleans cache. Cache cleaner. One tap booster (widget). RAM cleaner. Open source on GitHub (. Com/metahex/AndroBooster2 ). Application booster. It forces wake up CPU cores. Smooth and pure interface. It can automatically set CPU Frequence for other apps.