Game Name: Boom Karts - Multiplayer Kart Racing
Google Play Store Link: Boom Karts - Multiplayer Kart Racing - Apps on Google Play
APK Link: Boom Karts - Multiplayer Kart Racing for Android - APK Download
Cheat Requested: It can be Unlimited Coins and Unlimited Diamonds or any cheat if possible
Have you tried any cheat engines?:
Yes -> GameGuardian (but even if the amount of coins or diamonds changed, it immediately reverts to its former amount)