ORIGINAL abstract art - not stock photos like the other abstract wallpaper apps ! Goldberg Mobile is a collection of over 45 original abstract artworks created from 1999 to the present by New York-based artist Colin Goldberg . The app contains images of the artist's digital tablet drawings and technology-fueled mixed media works on paper, formatted perfectly for your mobile device. Retina display for iPhone 5, iPhone 4S, iPhone 4 and the new iPad are supported. The app allows the wallpapers to be easily saved to your camera roll for selection as homescreen and lockscreen wallpaper in your device settings. iPad wallpapers are formatted for device rotation. New works are added when the paint dries.