They should work on any device with WVGA resolution, and have also been reported to work on Galaxy Tab. However, they may not work if your device has non-standard DPI settings.
Secret Wallpaper 1 is a beach scene and Secret Wallpaper 2 features windmills running peacefully along the country side. Both wallpapers use your GPS co-ordinates or coarse location to change the weather depicted in the scene, and to switch from day to night.
Beach one was too large to attach, so here’s a mediafire link