Did Nintendo Just Accidentally Reveal a Game?

It is true that Switch is missing precisely one Yoshi's Woolly World

Here's the GVG video: https://youtu.be/KY1XeXg69q8?si=H4QCg9PrYMhn2Kmc

Editing and thumbnail by http://www.twitter.com/KanesTheName

Channel art by @Paintraseapea