Vsmart Phone Keeper helps you master of taking care of your own device: - Free up storage space - Boost up your phone's speed - Manage power consumption and save battery - Protect your phone from security threats CLEAN STORAGE - Clear cached files, residual files, and installation files. - Scan phone storage to find large files and duplicate files - Discover unued apps - Detect duplicate phone contacts BOOST MEMORY - Speed up your device by quickly stop background apps - Restrict apps running in background to save memory for smoother performance MANAGE BATTERY - Battery usage diagnostic - Battery saver DEVICE PROTECTION - Scan your phone to detect suspicious activity - Monitor network connection and data traffic - Scan newly installed apps - Scan the device automatically after restarting