You can find DeSmuMe (Game Boy Advance) is one of the best emulators for the Nintendo DS console. The majority of DS games on the original console even allows you to use your pc to play in improving the gaming experience beyond.
The emulator of the console, you can view two screens at the same time. The corresponding low on the touch screen one, USB game controller pad can be used with traditional external controls with the mouse while the keyboard can be used. This way, all the classics, Crossing, New Super Mario Bros., Pokemon white/black, Animal, or you can play like the first game with Professor Layton. Also improve the graphics, post-processing filters you can use.
At any time, save the game, take screenshots and videos of the game, and use advanced tools to rip the content.