[The face part is completely insubstantial, but she can totally pet the ears. It leans into her hand like you'd expect from an affectionate cat (and somehow the box ontop of it doesn't slide at all even when it's tilted at an angle).

His chuckling trails off a bit at that question. As much as he'd love to brag...]

Not yet. But I will. It's just a matter of examining the technology and reverse-engineering it. I did it once before, so it should be a piece of cake the second time around.