Haven't seen commercial executions of this yet, but the simplicity of the concept really allows digital realizations to enter the street world at a low cost. Also, gives story telling possibilities for extending a brand's interaction outside the normal sandbox of media. Is this scalable? Probably not. But it's fun and creates instant attraction.
We are elevated from the everyday reality through this element of fantasy into a world with more dimensions, possibilities and perhaps beauty.
Check out the video and more details here.