Citra is a free, open-source Nintendo 3DS emulator for Windows, macOS, Linux, and Android. It enables users to play 3DS games on PCs/mobile devices with enhanced graphics, higher resolutions, and improved performance. Featuring save states, controller support, and multiplayer capabilities, Citra offers a polished emulation experience for classic titles like Pokémon X/Y and The Legend of Zelda: A Link Between Worlds.