The app icon and photo icon rolling width gesture and gravity. 1 rolling with gesture The app icon and photo icon rolling width gesture and gravity, collision and sparks, very cool!! And you can prank your friends with it. 2 rolling in launcher When you set it as the live wallpaper, you can rock and roll the launcher!!! what awesome it is!! 3 as launcher When you set it as the default launcher, you can use it on any where!!! what awesome it is!! 4 you make it!! 1 which icon? you make it!! 2