Access Profile and Settings:
Tap the Silhouette Icon on the bottom right of your screen.
Tap the Gear Icon in the upper left to access the settings screen.
Link to Facebook:
To save your designs or play across multiple devices, tap Sign In and follow the prompts.
Unlink from Facebook:
To unlink from Facebook, tap Sign Out and follow the prompts.
Note: Signing out of Facebook means your progress is only saved to your individual device. If you switch or upgrade your mobile device, you will not be able to recover your progress.