Vianella App does not store your Facebook personal data on its servers. However, according to Facebook's policy, we must provide instructions for users to request data deletion.

How to delete your activities/data associated with Vianella:

1. Go to your Facebook Account's Settings & Privacy. Click 'Settings'.
2. Look for 'Apps and Websites' and you will see all the apps and websites linked with your Facebook.
3. Search and click 'Vianella' in the search bar.
4. Scroll and click 'Remove'.
5. Congratulations, you have successfully removed your app activities and data from the Vianella App.