You can clean up the application cache, residual program files, historical traces and application installation packages on smart phones. It can greatly release the memory space of the mobile phone and improve the running speed.

2.LBE security master

LBE Security Master is the first active defense software on Android platform and the first mobile phone security software with real-time monitoring and interception capability.

3. Tencent Mobile Manager

Functions include virus killing, harassment interception, software authority management, mobile phone anti-theft and security protection, user traffic monitoring, space cleaning, physical examination acceleration, software management and other high-end intelligent functions.