My intentions are good, and I am not foolish enough to think that this is going to make me a million dollars or even a dollar. However I put a lot of thought and effort into building this app and getting it approved by the app store. I promise this if I do see anything unusual I will take down the app my self.
That's what sucks: you put a lot of effort into building the app, and you're liable not to make one or a million dollars, but actually to make negative dollars. Or more precisely, negative bitcoins.
It is clear you put in a lot of effort, but I'm not sure about the thought. Here is what will happen. People will buy brownie coins with stolen Apple accounts or with stolen credit cards. You'll send them Bitcoins. The real owners of the Apple accounts or credit cards will complain, and charge back their credit card. Apple will want you to cover that (or, just as bad, they'll be forced to take it in the shorts, and that makes all of us Bitcoiners look bad to the App Store review team). You've already sent the bitcoins, too late, so they're gone. You lose!
How can this be good? Do you honestly believe that nobody will try to buy brownie coins with stolen money? Because this never happening is the only way it could ever work.
Meanwhile, we as a community are already facing an uphill battle trying to get legitimate Bitcoin wallet apps into the App Store. Having Apple lose money to fraud perpetrated through your app is actually contrary to all of our interests as Bitcoiners. By the time you see anything "unusual" it will already be too late, so from my view, hopefully the next unusual thing you see is a removal of your app from the App Store.