Towelroot found an exploit on a few firmware versions which made it possible to root the Samsung Galaxy S3 without having to use a computer or CF Root.
You don’t need to use a computer like you usually have to. It is an application that users have to install on their phones and then follow the instructions. It is a tool that can root many Android devices with one click. A few years ago, rooting an Android phone was something that only advanced users were able of doing, but today, it is a very simple process that even unexperienced users can do. There are different tutorials about how to root different devices.
