A free app for Android, by Utilitarian Tools.
Cool Master is the best CPU cooler and phone booster. It has a lot of amazing features that can optimize your android device's performance.
What's great about this app is that it detects and closes the background apps with high CPU and RAM usage. It helps to keep your device performance optimum. Plus, it cools down your phone or tablet, freeing your device from lags, so that you can play or stream nonstop.
It can also clean up junk files to make room for more storage space. Apart from that, it also offers a nice battery saver feature so that your phone can stay on for long hours.
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