“Super Smash Bros Crash” is a Super Smash Bros fan game created by miguel28. The project is a demo, but has 29 characters, 29 stages, 2 CPUs, music and sounds that accompany you throughout the game and two game modes. You can also take pictures of the battle (saved in .bmp format).
Thanks to http://www.dcemu.co.uk/content/93641-NDS-GAME-Super-Smash-Bros-Crash!-DS for the news.