Booster Cleaner PRO

Booster Cleaner PRO is a speed booster, ram booster, game booster, junk file cleaner, trash cleaner, memory booster, battery optimizer and app manager for your Android phones or tablet.
Trusted by 230 million users, DU speed booster is the only all-in-one speed booster, trash cleaner and antivirus app that optimizes your background apps, memory space, junk(cache) files and battery power. While keeping your device safe from virus and trojan, that can secure your private data with the AppLock function.
Have you ever encounter the following problems?
Your device has become laggy and freezes all the time
You don't have enough space to take more pictures or install apps
Your battery has started draining quicker than ever
Your device overheats and needs to cool down
You want to lock your photos, gallery and messages from prying eyes and nosy friends
► Phone boost
One-tap boost: A single touch to speed up your devices and release memory
Regular Cleaning: Automatically closes background apps, keeping your phone at best performance
Whitelist: You can add frequently-used apps to your whitelist
Home Screen Rocket Man: Brings you fun while clearing memory

► Junk File cleaner
The junk-creating behavior of millions of apps has been analyzed so that DU speed booster & antivirus can efficiently hone in on its targets (cache and residual files) with perfect accuracy.
Delete cache and residual files to reclaim storage, boost speed and improve the performance of your device and SD card.

► Security & antivirus
Scan installed apps, memory card content, and new apps automatically. Booster Cleaner PRO & antivirus latest protection technologies against viruses, adware, malware, trojan and more.