Gallery or App to very simply emulate applications

view story

http://androidforums.com – Hello android users, I need a image gallery, or a very simple app to emulate an application. It is in a very very early stage of development, we are just drawing the screens, and all we need is to show them in a mobile the intention is to create several images, simulating the application , and they will change to the next one as soon as the screen is taped ideally, an app that could load the image 01, when taped anywhere the 02, if taped in one corner then the 03, other corner the 04, etc... but with a gallery that will change the image to the next one when tapped, without showing (General)