Fantastic game but one thing you should fix – Don't Grind Review

Ok so when you go to your grindabals,there will a question mark with a number you are one from tapping it. I currently at 8102. I tap it until it went to 9000. I checked back in a hour and now I'm back to 8102. Please fix
Review by Dolphin dude 2100088 on Don't Grind.