Options vary whether you use the Facebook application or not on your device.
 
If you are using the Facebook app on your device;
  • Open Royal Kingdom and log out from your Facebook account.
  • Open the Facebook app, log out from your current account, and log in with the new one.
  • Open Royal Kingdom and log in with your Facebook account.
If you are not using the Facebook app on your device;
  • Open Royal Kingdom and log out from your Facebook account.
  • Tap the Facebook connection button and log in with your new account on the browser page.