A simple card battling game on iOS by SquareEnix, free to pay, also quite addictive with a decent sized community. Come and join if interested.

My Guardian Cross ID: Mazos101 (Case sensitive)
Invitation code: QR34791
And your Guardian Cross in game name

Edit: Gold offer cancelled
Edited by mazos101#6817 on 12/21/2012 8:52 AM PST