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