Smartphone Brands around the world create more and more powerful devices every year. Containing powerfull hardware, those phones have the potential to perform a lot better than they actually do by default.
Zapperbyte has developed the app that falls into the Tools category. The latest release was on Nov 16, 2017 and MiUI Unlimited was downloaded and installed by over 10K users. Users rated this application 3.3 on Google Play.
It's free of charge to get the installation package of MiUI Unlimited, also, you can have a look at users' reviews on Droid Informer. The app runs on Android 5.0 and above. The download of the app doesn't contain viruses or any kind of malware.