Apparently Nintendo Switch Online's NES Emulator Has Already Been

Nintendo could add Game Boy, Game Boy Color titles to Switch Online service 'really soon

Nintendo Expands Switch Online Game Boy, SNES & NES Service With Four More Titles

Game Boy Advance Games Are Coming To Nintendo Switch

Top 5 emulators for the Nintendo Switch - The Independent Video Game Community

LuigiBlood's Blog — The oddities of Nintendo Switch Online retro

Switch Android Emulator Skyline Halts Development Due To Potential Legal Risks

Switch systems apparently come with an internal NES emulator

Nintendo Asks Valve To Kick GameCube And Wii Emulator Off Steam, Says It's Protecting Its Creativity And Work : r/Steam

Review — Super Mario 3D All-Stars, by Walter Muller