SetCPU is an amazing application that puts you in control of your Android device's CPU settings. SetCPU can help you save battery life and improve your device's performance. On many devices, with custom ROMs and kernels, SetCPU can overclock, underclock, or tweak voltage settings. SetCPU works on most rooted Android phones and tablets.
SetCPU is available on Google Play now. SetCPU is simple enough for an Android beginner to understand, yet powerful enough for advanced users. It's an essential utility in every root user's toolbox.