Root means to get administrator access to the phone. After root you can install custom roms, you can flash custom kernels, overclock the processor and you can also uninstall pre-install apps that you don't use. With Root Genius you can root your Android Device with one click and new version of Root Genius (1.8.7) supported more than 80% Android Devices. Note that --- 1. You need your Bootloader Unlocked for this process. 2. After this Process your Android device will void warranty.