A simple physics puzzle game

I want an iphone apps developer who have great experience in development of iPhone game. The game i want basically very simple, it required some physics mechanism in this puzzle game. The game must be smooth (no crash). Able to feature other's people's game as well. The game must be able to share with people through Facebook and twitter. Have at least 30 different levels on game which feature with rank, and score. Able to unlock hidden stages/levels if they solved every levels with good scores. Have a featured page(some sort of advertisement before the game start) display before the cover page of the game. Able to update from time to time easily. Some more tabs like, about us, featured game, share with friends. Able to have ads link while play game. Must able to show my logo on top of every tab which the logo is link to my webpage directly with a touch. Looking for serious, responsible, experience, easy to communicate, easy to find, good programming, programmer / game developer. It is better if can show me the games and apps that developed in the past for iPhone. As well as the price for the game. Please answer my questions together with the resume : A shop owner needs to buy some stocks for his shop. He only has $200. There three type of goods, name card, t-shirts and ball pen. T-shirts each cost $20, name card are $2 each, and ball pens are 4 for $1. How's he going to use the $200 to buy exactly 100 goods?