Main functions of Cool Cleaner: 1. Optimize and clean Cleans up application caches, download folders, browser history, clipboard content, and so on Can help improve and optimize the speed and performance of your phone, as well as prevent your phone from running slowly and lagging behind. It also frees up your phone's RAM (memory) and storage space, which you can enjoy using faster, faster phones 2. Easy to use With just a few clicks, you can easily optimize your Android phone. Simple and intuitive user interface, easy to navigate Fast, compact and efficient, with low RAM and CPU usage 3. Easy release of storage Deeply optimize your smartphone Uninstall many unwanted applications quickly and easily Free device storage