Top free Apps like GO Speed (Clean & AppLock) for Android
Clean up and boost your phone
GO Speed Clean & AppLock is a free phone cleaner that can boost the speed of your phone by somewhere in the region of two thirds. With one of the smallest amount of memory requirements on the market, so the makers claim, it will reliably clean junk files to increase available space in your device's memory. It can also clean background processes intelligently, stop apps that run in a stealth mode and disable annoying auto-start apps.