Virtual Console Found In Switch Data 

A Virtual Console section including ‘NES’, ‘SNES’, ‘Game Boy’, ‘Game Boy Color’, ‘Nintendo 64′, ‘Game Boy Advance’, ‘Nintendo DS’ and ‘Other’ categories has been found in the Nintendo Switch eShop JSON (JavaScript Object Notation) by KevDoy. No further information is available. 

Edit: Reddit user Tropiux says that this is found in the game store JSON and has been there since Switch launch. Read here for more.

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