Nintendo E Store Wii u Redeem credit for Switch?

I have seen in a shop a Nintendo E Shop Card. Since it is available on it For Nintendo Wii u Nintendo 3 DS and Nintendo 3 DS Xl and wii However, I have only one switch clear because it is only available for wii u, etc., but I've seen in a video someone wii u balance for Switch redeemed one can redeem that for switch or is the Fake here the video

I, that works.

Yes, any official Nintendo eShop card can be redeemed on the switch even if there's nothing of switch on the cards.