Video of the talk below, here’s the presentation slides, and a demo of emulating a Wii U game pad on a PC.
"The muddiness in the UI and graphics is gone, the new Quick Cast ability has big consequences for how fast and fluid everything feels, and there's lots more little wrinkles and additions — such as ...
we thought it might be useful to see just how the new release stacks up next to the Wii U original. In short, the Switch remaster represents a significant step up in overall visual quality.