i want this game to be one project of a game which will work for ipad and iphone.

i want this game to be a skill challenge game which is where you are on a bike and are riding on top of a steel cage ball going through a whole course about 500 meters long riding on top of this steel ball, you will get to 100 for bronze 250 for silver and 400 for gold then complete for platinum, it will be a course which is up and down on train tracks to keep the ball on track. but with touchscreen integration is will have one button to go forward and on to go back where you have to lean on the front of the bike to do forward and to slow down lean on the back.

please message for more details.