“Shake n Screen” is nice little app for Symbian that changes device wallpaper with just a phone shake. The app is available for S60 5th Edition and Symbian Anna/Belle smartphones for free at Nokia Store.
“Have too many Favorite Pictures on Phone that you want to set on your Screen as Wallpapers? Now change it just with a Shake!Set all your Favorite Pictures as Wallpapers. Simply Shake the Phone to change the Screen. No need to go into Menu & change it manually.”