Let's play a little bit of catch-up here, shall we? Longtime rumor supplier Emily Rogers recently hinted at two more Wii U ports lined up for the Switch. No specifics were given on those games, and obviously Nintendo isn't talking about this in any way, shape, or form.
On the most recent episode of the IGN NVC podcast, Peer Schneider talks about those rumored ports, and gives a bit more detail about one of the games in particular. You can check out the discussion at 1:01:07 above, or read the blurb below.
The secret Wii U ports that are being discussed...one of them is a 9 out of 10 for me, and one of them is more of a 6 out of 10. ...I really liked what Nintendo did with their take on real-time strategy games.
It certainly seems like Peer is not only confirming Rogers' rumor, but going further by providing the genre for one game. I don't know about you, but an RTS from Nintendo that was on the Wii U certainly sounds like Pikmin 3 to me. Do you have any other guesses?