Anyone playing this card game on their smartphone? I recommend it, collect cards and battle with them against other marvel fans with the app. The app is free btw. If anyone signs up use this code: sba828719 to get the Rare Jean Grey card. I will ofcourse also get one. Oh one more helpful tip, once you get the Rare Jean Grey card post your referral code in this thread so that when someone else signs up for the game using your code you get an extra Jean Grey that you can fuse with your 1st one, becoming an even more powerful Jean Grey. That is also another cool part of the game, you get to fuse cards making them even more powerful. You also have the option to boost your top cards using lower ranking cards.