Hi, I've played your game and I have a few suggestions:
1. You can add a sound effect to the dogs when they start chasing
2. In the arcade mode, you can add a starting panel with the game rules
3. The arcade is sometimes impossible to complete, so you can adjust the chance of batteries appearing based on the character's current energy level
I also didn't understand what the upgrades do in the store and how to apply the skins.