Difficulty Implementing Touch

I've created a partial game (CAPX link below) which works well in preview mode in Windows 7, and when exported it works well on some browsers, but not at all on iOS (both iPad 3 and iPhone 4). Am I doing something wrong with the touch controls?

Thanks.

CAPX link: dl.dropbox.com/u/80427523/TestCandidate-v21b.capx

http://dl.dropbox.com/u/80427523/TestCandidate-v21b.capx

Play around with the option to enable retina display in C2. Can't remember exactly where it is, but I think it is in the project properties.

Thanks for the quick response superkew. The RetinaDisplay option was already set to Yes (must be the default) so that won't improve things.

Nazgul - can you describe what the actual problem is? It looks like it's set up OK at a cursorly glance.

Thanks Ashley. The problem is that while it runs okay on PC browsers it doesn't respond to touch commands on iOS as tested on iPad 3 and iPhone 4. For example, to start the game, you click on the 'Play' button, but nothing happens. A secondary issue is that the initial text does not appear on the screen.