In my opinion, they just made a funny joke, and made a real nonfunctional small camera, just so people would think it is real. It might be real, but not sure. Even if it would be that small, in my opinion it would be really small to work with.
Fake all the way. Look how it's finished! Or real, as a plastic toy can be The plastic toy is made after Canon EOS-1Ds Mark II Digital (16.7 megapixel)