This is simple Augmented Reality Viewer.
The 3D object is displayed when pointing one's camera at to specific AR marker images.
First visit http://3d-showcase.net/uncategorized/collaboration-fair-2011-tokyo.html, download and print the augmented reality marker image.
Then start this application and see the printed AR marker image on the camera,when display 3D object on the AR marker.
The angle and the distance are recognized, and the direction and the angle of the 3D object according to them change.