If you are experiencing any issues with Facebook Connect, please try the following steps:  
Remove the connected Facebook account from your device  
  1. Go to your Android Settings
  2. Select "Accounts & sync"
  3. Select Facebook
  4. Tap on your Facebook Account, and then tap the "More" button.
  5. Select "Remove Account" from the menu and confirm
(Note: This will not delete your actual Facebook account)  

If you have installed the Facebook App you also have to log-out from there:  
  1. Open your Facebook App
  2. In the Settings Menu tap on "Log Out"
  3. Open your Game App
  4. From your game's settings select Log In with Facebook
    (Make sure that you allow Facebook to access your basic profile)
If you still have issues with Facebook Connect, please try our Additional Workaround below.   

Additional Workaround   

Should you still have issues please try the following steps:  
  1. Open your Game App and disconnect from Facebook. If you are already disconnected, proceed to the next step.
  2. Open your mobile browser, go to www.facebook.com and log-out from there. Repeat for all browsers on the device.
  3. Make sure that you are logged out of your Facebook App.
  4. Go back to your game and reconnect to Facebook.