: Citra itself is legal. However, downloading ROMs (game files) of games you do not own is piracy. You are expected to dump your own physical cartridges using a modded 3DS.
Citra is an open-source emulator that lets you play Nintendo 3DS games on computers (Windows, macOS, Linux) and Android devices. It supports upscaled graphics, save states, cheat codes, and even local wireless multiplayer. Emulador Citra 3DS para PC- MAC e Android - Atu...
A versão para Windows é a mais robusta e a que possui a maior compatibilidade com a biblioteca de jogos. : Citra itself is legal
(community-maintained forks):