360 Security - Antivirus Boost, popular and free speed booster for Android system, provides your mobile phone with security protection. This app has more than 200 million users that optimize cache files, battery power, background apps and keep your phones safe and sound. 360 Security is both a strong booster and an efficient cleaner. Besides, it can save battery charges meantime.

The function of App Lock prevent your data secretly and privately such as messages, phone calls, apps, photos and other files. With 360 Security, you don’t have to worry about junk files and application caches anymore, it will clean up for you and clear out memory space. Boost your Android phone with 360 Security right mow.