THE BEST Phone Manager to master clean! Phone Master - BEST choice to clean junk files and master privacy, with features: Applocker, Data Manager, Junk Cleaner for andorid, Speed Booster, CPU cooler and Battery Saver. Highlights: High rated：4. 7 / 5. 0. 50 million users worldwide. All-in-one junk cleaner and privacy guard. Note: Five Star rating means Good/Excellent.