3D Android Assembling Live Wallpaper.

3D Android DNA Live Wallpaper.

Animated Bee Flying on your screen Live Wallpaper.

Animate your home screen with a stream of lush, white flowers flowing from a starry sky.

3D Animated Snowflakes Live Wallpaper.

Toad is looking for some flies to eat Live Wallpaper.

3D Boxes Live Wallpaper.

3D Brain Scanning Live Wallpaper.

3D Cubes Infinity Live Wallpaper.

3D Dancing Android Boy Live Wallpaper

Walentine find lost love...

3D Animated Football Ball Live Wallpaper.

3D Football World Cup Live Wallpaper.

3D Illuminated Cubes Live Wallpaper.

3D Sparkle Cubes Animation Live Wallpaper.

Roll the Killer Ball and smash the zombie ants

The best 3D Air Hockey !

3D Cullen Crest

AndAR Model Viewer is an Android application that is capable of displaying 3d models(wavefront obj) on Augmented Reality markers. Go to the project's website for detailed instructions.
Try out the app called "AndAR" first, to see if your phone is supported.
Please report any bugs on the website:
http://code.google.com/p/andar/

supported on:
Nexus one/HTC Desire
T-Mobile G1/HTC Dream
Motorola DEXT
HTC Legend
HTC Hero
HTC Magic
... and many others

AndCam3D is a stereo camera application, that can produce 3D-images which create an impression of depth.