Use a (Friendly) Gesture to Swipe Between iPad Apps - The Mac Observer

http://www.macobserver.com/tmo/article/use-a-friendly-gesture-to-swipe-between-ipad-apps

Find more sketches from scratches:  http://Woohs.blogspot.com   

Consider book offer by author "Wuh Lax and the Cosmic Lantern"

http://www.amazon.co.uk/gp/offer-listing/0977299325