For any android owners jealous of iphone 4 owners, someone has put together an android app called "Iphone 4 emulator" (they say emulator but its a simulator).
http://www.androlib.com/android.application.com-androidnetwork-iphone4-jAFjq.aspx
Heres an image of the simulator in action.
http://www.androlib.com/android.application.com-androidnetwork-iphone4-jAFjq.aspx
Heres an image of the simulator in action.