Install the standard GameGuardian APK on your main device.
Because GameGuardian is not available on the official Google Play Store (Google does not allow memory editors), you must download it directly from the developer or trusted repositories. gameguardian download top
As of the latest update (Version 101.1 and higher), the official developers have released a streamlined installer. Here is the breakdown of the top sources: Install the standard GameGuardian APK on your main device