They did show a few windows devices, the surface made an appearance as do a few different laptops and desktops, I think the lack of windows phones was just to give people the idea that it will support more than just windows.

There was a Nokia, and they're practically all Windows phones, no?

You're right, I can't believe I missed that, I'm usually able to spot the different types of devices.

And yeah, that is a windows phone.