Just like many applications, the game hacker tool that is not available in the play store of the android phones.
So you game hacker apk have to download the APK file of the app to install it in your phone and get entertainment.
In order to install the game hacker, you have to enable downloads from unknown sources in your phone. This option is available in general setting of the phone. You just have to go to the settings and mark the option as true.
After that, download the APK file of the game hacker from the official website. Once you have done the app, you can easily access its interface. It will be in Japanese Language. After getting the license of the app, it will be automatically converted to English. You can use both languages in the tool. Now just start modifying your game and have fun and excitement.