A Sleek Clean Image of the device presents the product. The end user may be after your application, and presenting it to them on a ultra modern device is a great way to project. The end user can see themselves using the application, but they want to use it because it’s on a great device: Just Like Theirs. So even if the end user’s device is last years model, they are bringing themselves into the modern era by uploading your app. Visual stimulation often creates the sale where an explanation won’t do it.