NEED ROOT.FIRST TRY Quick CPU Overclock Lite then UNINSTALL it and purchase this !This app lets you to control your CPU clock and governor. The widget lets you choose the CPU profile with just one click. You can set trigger for events to automatically set the correct power profile.The quickest CPU control application. Switch easily and fast between CPU profiles by tapping the widget on your homescreen or using the app.You can create multiple CPU profiles. You want to play and need more power? Overclock your CPU! Need more battery life? You can easily double it.You can choose the right profile whit just one tap, whenever you want.Automatic detection CPU’s available frequencies and governors.Dual core devices support.Features:+ Overclock your CPU (more power)+ Save battery+ Automatically switch between profiles+ Advanced real-time device info (kernel, uptime, CPU load, CPU clock, stats, memory, battery, etc.)Two widgets: switcher and single.WARNING: TO AVOID PROBLEMS PLEASE FIRST TRY THE LITE VERSION!