Yes, it works.

You just have to use the blue sheet (with the barcode) from the original Polaroid version instead of the one from HP. I have tested it myself with my Polaroid Snap Touch.

The only thing is that the bileder with the HP look a bit colder. I will also try it in my Polaroid with the HP bar code, to see).

No, according to our information it is only compatible with the HP Sprocket mobile printer.