Well not the first of its kind. Unclear how this one exactly works. Is it Micro HDMI over the USB-OTG or just a socket over usb and another SoC in the Flapbook?

Well not the first of its kind. Unclear how this one exactly works. Is it Micro HDMI over the USB-OTG or just a socket over usb and another SoC in the Flapbook? EDIT: Ah displaylink, I can see it getting choppy with older phones.