Yes, you have total control over your data!

In order to delete your Facebook data:

- Go to https://www.facebook.com/settings?tab=applications&ref=settings

- Tap "Remove" button to delete Belote Multijoueur app

- Then tap "View Removed Apps and Websites"

- Tap "View" button next to the Belote Multijoueur app name

- Tap "Send Request" button to request a deletion of your Facebook data on Belote Multijoueur