It's quite demanding, so it won't run smooth on older devices. Makes heavy use of the fragment shader. Only for highend devices! You can lower the quality in the Settings Menu.
To activate this live wallpaper press and hold on any blank spot at your home screen until a context menu appears. In that menu select “Live Wallpaper”. Select "Monjori Live Wallpaper" from the live wallpaper selection.
Shader Monjori from Mic (http://www.pouet.net/prod.php?which=52761)
LG Optimus 2x (Tegra)