Yes, you can reset your local stats by doing the following:
- From the main menu, choose e.g. ‘Solitaire’
- Tap on ‘Stats’
- Tap on ‘reset’ which is located at the upper right corner
- Choose ‘Yes’ to confirm that you want to reset all local stats
- You will be asked again, if you are sure to reset the local stats. Choose ‘Yes’ and your local stats will be reset to zero