A free app for Android, by Velvet Apps.

Velvet Phone Cleaner & Booster is a very powerful and handy utility for cleaning and optimizing your Android phone. The app can easily boost the performance of your device by cleaning the junk files, thus making the device lighter. Besides, it can also help to lower the battery usage and make the device last longer. 

The performance of the device will be improved, and the battery will be extended. The application is very easy to use. Just tap on the boost button, wait for a few seconds, and the app will be activated. 

You will be able to extend the battery life just by tapping on the boost button. It will also help to cool down the CPU temperature and prevent the phone from getting too hot.