iOS App Development

Hello Developers! I wrote a concept for a iOS app quiz game and also designed the interface for the iPhone version already. Now I'm looking for a developer who can bring it to live. The following features are planed: Universal app (iPhone now & iPad later), connection to Game Center or "internal" search/add a friend (by entering the username), Highscore recording/displaying, iAD integration, adding to the AppStore via my dev account, share results via Facebook, Twitter and email. I'm not sure how to get the questions into the app yet. Ether loading them continuously (then I need info and a hand with the setup of a server) or including them in the app right away and updating the "package of questions available" via an app update. (I would prefer the first). If you have an idea how to get the questions in the app the best way, I'm open to that. Additionally I might require a push notification service too, but first I need info about what costs that will bring with it (so this might be optional for now). As I want this app to be as cheap (but professional) as possible, I optionally offer the opportunity to share a certain percentage of the revenue (iADs) of the app rather than a fixed price in advance, for developing the app (if you agree). I'm definitely interested in a long term work-relationship on the app. So, please only give an offer if you agree with that. The best would be someone who sees the App as a "personal" project rather than a job. Continuously working on the app (more work now than later) and sharing the revenue 50/50 in the future would be the best possible situation. Btw: I'll release the app in the German App store first, because the questions will be in German. But I'm definitely looking for a way to release it in all english App Stores as well but need somebody (you?) who will translate the questions to proper english then. (I can translate them first and you just "double-check" that it's correct grammar and spelling). Let me know if you need any further info. Thanks for your time!