RoboKiller supports Android Lollipop (version 6.0) and newer.

If you are unsure which Android version your device is on, please follow the steps below to check which version you have with your Android device:

1. From the home screen, press the Settings Button
2. Then select the Settings option
3. Scroll down and select About Phone
4. Scroll down to Android Version
5. The small number under the heading is the version number of the Android operating system on your device.