Virtual Roller Coaster Garden 1.1.1
the author of this app says:
Experience a thrilling ride through a beautiful garden on this Virtual Roller Coaster ride. Amaze your friends with this live wallpaper.
Limited time offer of 50% off. Get it before the price goes up!
To use, press the menu key, then "Wallpapers" then "Live Wallpapers". Select "Garden Virtual Roller Coaster".
Since devices vary, you might need to change the settings slightly. Raise the FPS if the coaster appears to be going too slow and lower it if it is going too fast. If the size is not fullscreen, change the size to "Big".