Clean Master the best application for optimizing device

Features of Clean Master- Optimization & Antivirus 

► JUNK FILE CLEANING 
Delete cache and residual files to reclaim memory and improve performance on your device and SD card.

► MEMORY BOOST 
Boost all games and running apps, free up memory (RAM) and speed up your device. Our One-Tap Boost and Game Boost features make it easy to optimize directly from your homescreen.

► SECURITY & PRIVACY 
Scan the system, pre-installed and user-installed apps to keep your device safe from viruses, trojans, vulnerabilities, adware and spyware. Remove personal and sensitive information to protect your privacy.

► APP MANAGER 
Uninstall unwanted apps or bloatware and back up important ones. Some rooted devices will be able to move apps to the SD card as well as uninstall pre-installed and system apps. Our own App Picks lets you find useful apps that match your interests.

https://play.google.com/store/apps/details?id=com.cleanmaster.mguard