Jetpack Joyride during his Depth in Simplicity: The Making of Jetpack Joyride panel. Aside from sharing what the final name of the game could've been, Muscat also showed us the progression of the store. You may not know this, but the Jetpack Joyride storefront wasn't always so slick.
In fact, early on it was downright ugly, but Muscat and his team iterated and looked to competitors on the App Store for inspiration. We snapped some shots of the earliest versions of the store on through what Halfbrick came up with later on -- screens we've conveniently embedded in the gallery below.