Flocking Live Wallpaper Free (com.androidlet.flockinglwpfree) on Google Play
* live wallpaper showing the flocking behavior of a group of creatures * options for background photo, number of creatures, creature type / distance / speed, animation rate* interactive click to disperse or attract the creatures* info at http://www.androidlet.com/FlockingLWP/FlockingLWP.html