I have a couple... I have a couple... I_am_Gamer GetchaSome I created Rummage, which uses OpenFeint. If you dig puzzle games check it out! I just posted an update about it making it into iTunes "New and Noteworthy" section for Games.
I just added everyone on this thread and it crashed the app I was doing it with Please add me if you like: plus+/OpenFeint: idoru Waiting for my first game to be approved, it will use OpenFeint as well! If you like puzzle games I encourage you to follow our progress on our website or via twitter (links in my sig).