Yes, but how? Hype manages different screen sizes, but it doesn’t base the decision to show a layout or another in relation of the landscape or portrait mode…if I got it right, of course. It means, you can have a 1024px screen because you’re in a desktop computer (always portrait) or in an iPad in landscape mode, so you cannot be sure, you need to detect it from the accelerometer (event.orientation).
I had in mind something like this:
But if is possible to do it natively, even better!