esign a UI that enables users to modify a product’s settings, using only 3 or 4 buttons. Integrate sketching as part of the mockup “testing” process. Ask a fellow student or a friend to test your “paper prototype” which is your sketch. Ex03 will be the first iteration of your design created as a wireframe, and Ex04 a very polished final full color version. C reate your mockups for the iPad using the Photoshop iPad starter file that is attached.