Board Thread:Questions and Answers/@comment-7467815-20130522123822/@comment-8767452-20130522131027

^ to WC, you usually would post your review on google shop or where you got the game your invtation code. If you need help finding it, you should be able to locate it in the home page. Click on the banner that say 'invite a friend and get Summon Tickets" and a 5-star car. You can invite up to 20 people I believe.