Install Doctor Clean to clean your junk files, make phone faster by 50%, and save battery by 20%. Only 3 MB , Doctor Cleaner is small speed booster, junk file cleaner, and battery saver for Android to solve phone slow, laggy, freeze, junk files and other problems . With the latest engine, Doctor Cleaner can effectively make your phone faster by 50% and save memory space for you. ★ Junk File Clean Having analyzed millions of apps, Doctor Cleaner cleans residual files, cache and restore several GB storage (ROM) space with perfect accuracy. Your music, chatting, pictures, documents and other files are safe with us. ★ Phone Booster In one tap, this speed booster for Android cleans unused apps in background to clear memory space and save battery power. ★ Battery Power Saver As a battery saver, Doctor Cleaner analyzes and hibernates battery-draining apps to extend battery life by several hours. ★ Protect Privacy With app lock, you can lock up your apps to protect sensitive information. Support for Facebo