Nintendo DS, full name Nintendo Dual Screen – handheld game console successor of the Game Boy Advance / Gameboy Advance SP. The console was announced under the codename Nintendo DS (Developer's System). In March 2004, the code name was changed to Nitro. In May 2004, the code name was changed to return to Nintendo DS and the console was unveiled as a prototype at the Electronic Entertainment Expo It is a prototype presented to only a few journalists with games such as Metroid Prime or even Mario Kart in the preliminary version. It takes in part the design of some game and Watch. On July 28, 2004, the final name and the appearance of the console are unveiled. DS now wants to say Dual screen, the black frame identifying the screens is deleted and various details are reviewed. Nowadays, Nintendo DS is a popular system to emulate on modern systems, such as PCs, android and iOS devices. Nintendo DS games roms and emulator software are open to public and can be downloaded for free. Like Pokémon series games, Super Mario 64, Mario Kart DS and other games.