► Memory Boost: Free up RAM and boost memory of your android phone by killing redundant background tasks ( background running progress);
► Junk Cleaner: clear residual files to reclaim your storage of your phone.
► Caches Cleaner: clear cache and speed up phone.
► Residual Files: Clear residual data from previously uninstalled applications.
► Adware Cleaner: Delete junk files from Android adware and malware.
► Task Ignore List: Add important apps to the task ignore list, if you want them to keep running during the memory scan process. You also can easily remove them from the ignore list; 
► Smart Reminder: Phone ccleaner will remind you about residual junk of apps uninstall or useless apk after successfully installation, so you can free up more storage.
► Speed Booster: Kill redundant background tasks, free up RAM and boost memory. Let your phone periform better!

PHONE PERFORMANCE OPTIMIZATION 
< ► Battery Saver: Reduce CPU usage and extend the battery life of your phone;
► One-click boost: add CY Security Boost widget to the homepage of your phone and boost your Android with one tap!
Keep your phone clean, safe and fast, and let the battery life lasting longer using the best junk cleaner for Android!

Clean phone, clear cache, boost memory and stay connected!
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If your phone still laggy and you need a powerful phone cleaner & optimizer, Phone Clean is the best choice for you!