Mobile Cleaner & Booster - popular Junk Clean Master, Phone Booster and Antivirus Cleaner, CPU Cooler, APP Locker and Battery Saver for android FREE! Mobile Cleaner & Booster makes your phone cleaner and faster than ever! Mobile Cleaner & Booster - the best choice for a cleaner, faster and smoother phone experience. Mobile Cleaner & Booster Highlights: Junk Clean.