Cool, I was hoping it would work with that, this means I can use the D+ & D- wires in the USB-C pinout to pass them to the dock.
I don't mean to hijack your thread. (I'll be starting my own soon)
I'm currently waiting for my USB-C breakout connectors and Wii2HDMI adapter to arrive so I can test...
In the video it appears you are using the wii-u usb adapter on your Wii portable?
I think this would be the perfect size for my daughters, and I'm in the planning stages for a Wii portable that I plan to make "Dockable" like our SWITCH.
So using the usb port would make connections so much...