Epic Cards Battle

I started the game on a "guest account" several months ago but now I'm thinking that all my "progress" in the game would be safer if I can link it to my email or facebook account, that way I can play the game from my account with any device or I can verify my identity in case I can't enter the game ...

I don't really know where to put this, so I will post it here too. I tried to login today from my pc and it didn't recognize me. The system tried to make me register on a new account. I had an account on both servers "GregHouse007" but I always login with the guest option so I never put an email. I ...