After Nintendo revealed the Virtual Game card change they acknowledged Switch 2 editions of upgraded Switch 1 games.
"If you scroll down to the very bottom of Nintendo’s official Virtual Game Cards page, there’s a sentence that reads: “Nintendo Switch 2 exclusive games and Nintendo Switch 2 Edition games can only be loaded on a Nintendo Switch 2 system.”
thegamepost.com
"If you scroll down to the very bottom of Nintendo’s official Virtual Game Cards page, there’s a sentence that reads: “Nintendo Switch 2 exclusive games and Nintendo Switch 2 Edition games can only be loaded on a Nintendo Switch 2 system.”

Nintendo Quietly Confirms Enhanced Switch 2 Versions of Older Games With "Nintendo Switch 2 Edition Games"
Nintendo’s official website just dropped a quiet but major clue: “Nintendo Switch 2 Edition games” are real, hinting at enhanced versions of older games for the next-gen console.
