Hello dragoss91.
Thanks for reaching out to Apple Support Communities. Let's follow the steps below:
Close and reopen the Super Balls gameForce the app to close. Then open the app to see if it works as expected. Restart your iPhone:Restart your iPhone or restart your iPad. Then open the app to see if it works as expected. Check for updatesTo see if updates are available for the app, open the App Store, tap your profile icon, then scroll down to see if updates are available. If updates aren't available for the app, update the software on your iPhone or iPad. Delete the app, then redownload itDelete the app. When you do this, you might lose data that was stored in the app. Then redownload the app. Then check to see if the problem with the app is fixed."
If the issue persists, check out the info from this resource as well: If your iPhone, iPad, or iPod touch gets too hot or too cold
"You might notice that your device feels warmer when you:
Restore from a backupWirelessly charge your deviceUse graphics-intensive or processor-intensive apps, games, or features, including augmented-reality appsStream high-quality video"
Cheers.