iPhone App Store is a simple application that allows you to check out the iOS App Store from your Android device. You won't be able to download anything, but if you're curious about the offerings on Apple's marketplace, you can use this app to take a look.
You can search by category, filter results by free or paid, and basically view all of the applications offered on the App Store.
iPhone App Store is a simple application that has no interesting additional features, but it could come in handy for comparing what is available on the App Store and other stores.