The most trusted and safe Android optimizer, junk file cleaner, speed booster, battery saver and free anti-virus app with over 740 million mobiles. Clean Master（Boost&Applock） helps accelerate Ram and clean up junk and cache files! Clean Master(Boost*Applock) also provides real-time protection with the #1 antivirus engine, and secures private data with app-lock function. Have you […]