I find that paragraph 2.10 of the app store review guides is a bit ambiguous. It says: "iPhone Apps should also work on the iPad unchanged, with iPhone resolution and 2X iPhone 3GS resolution."
My application - the deployment target is iphone, and the intended device orientation is portait

When I tested my application on the ipad simulator, it looks like this:

This is just a snippet of the view to give you an idea of how it really looks: the application view is not suitable for the entire frame of the ipad simulator.
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: - ipad, - iphone? , ?