Clean master is a housekeeping app for your Android Device which I personally use and recommend to all. Here is the list of features provided by Cheetah Mobiles:-
Simple, thorough, and safe, Clean Master is the world’s most downloaded Android optimization app designed to clean junk files, regain free storage, boost memory, enhance speed, and secure your device from malicious apps and vulnerabilities. Brought to you by Cheetah Mobile (formerly known as KS Mobile).
More than 200 million people worldwide use Clean Master to remove junk from their devices and to prevent malware infections. Clean Master improves performance by optimizing device memory, unclogging storage and offering security against viruses, trojans and malware. Developed by Cheetah Mobile, Clean Master is the world’s most reliable companion for Android devices!
Highlights of Clean Master – Optimization & Antivirus
☆ Thorough: The junk-creating behavior of millions of apps has been analyzed so that Clean Master can efficiently hone in on its targets (cache and residual files) with perfect accuracy.
☆ Fast & Intuitive: Simple to use, super-fast and smooth UI, plus cool transition effects
☆Ranked #1 by AV-TEST for the fifth time! , providing professional security protection. Scanning takes only 8 seconds, 500% faster than other paid antivirus apps.
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.
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.