VROOT is a one click root tool. It is very easy to use and developed by mygun-team
To use VROOT, you need to enable USB debugging on your device. To enable it, go to Settings > Developer options and check "USB Debugging" option. If "Developer Options" menu is not available in settings, follow the tutorial here to enable it first.
Download and install the English version of VROOT here:
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When setup finishes you see the main screen of VROOT
Connect your device and when your device detected, click "Root"
When the rooting finishes, you will see the following screen and your device will reboot.
You can uninstall the installed Chinese application in the following screenshot. I don't know what it does.
After the rooting, you can also install another superuser app from play store, like SuperSU from Chainfire or Superuser from ClockWorkMod or another.
Please post your results for others to benefit.