OverSpeed Booster is an excellent Android phone speed-up application, focusing on phone speed accelerator, junk file cleaner, battery saver.
☆ Junk Cleaner - Smart clean up of mobile phone junk
☆ Speed Booster - optimize memory and speed up your phone
☆ Battery Saver - Kill battery draining apps to save battery
☆ CPU Cooler - Cool down phone temperature
☆ Network quality: discover abnormalities in the network environment in time