Simulate the interior of a room by mapping different parts of an image to a virtual room inside a plane. It will change perspective depending on the angle of view. Individual mapping for each of the 5 visible planes with scale, location and rotation. Supports image and Procedural textures. Check the video to see how to use it. You can also use multiple textures and it will randomly distribute them to add variation to the instances of the object.
It can be used to make building windows without adding geometry, magic portals, etc... I'm sure you will find a lot of creative uses for it.
Check the video for more information on how to use it.