Clean Master Cleaner for Android 7.3.4
The world's most downloaded free cache cleaner, RAM booster, and antivirus & security suite. Clean Master gives you full control over your phone to maximize performance and keep it clear of junk files.
source https://www.techspot.com/downloads/6429-clean-master-cleaner-for-android.html
source https://www.techspot.com/downloads/6429-clean-master-cleaner-for-android.html