Game Boy™ - Nintendo Switch Online - Nintendo Official Site

Play classic Game Boy games like Kirby's Dream Land™, Metroid™ II - Return of Samus™, and Wario Land™ 3 anytime, anywhere on the Nintendo Switch system with Nintendo Switch Online.
Game Boy™ – Nintendo Switch Online

More classic Game Boy, SNES, and NES games added for Nintendo Switch Online members

For a limited time, you can play classic games and more for free! - News - Nintendo Official Site

Nintendo Switch Online + Expansion Pack - Nintendo Official Site

Game Boy - Nintendo Switch Online, Nintendo

Game Boy™ - Nintendo Switch Online - Nintendo Official Site

Game Boy™ - Nintendo Switch Online - Nintendo Official Site

Nintendo Switch Online - Nintendo - Official Site

Report: Game Boy, Game Boy Color Games Are Coming to Nintendo Switch Online - IGN

Game Boy Advance™ - Nintendo Switch Online – Nintendo Official Site