Super Smash Bros. Rumble is a Super Smash Bros. Game for the DS. However it is not an official Nintendo production insted its a homebrew game. The game is of quite high quality however.
The game is currently reaching its Demo 5 which is going to be released in a few days. It contains 8 Characters with working CPUs as well as some stages.
Official Blog: http://ssbrumble.blogspot.com/
Official DOJO(Info): http://ssbrdojo.de.tl/
Official Forums: http://z4.invisionfree.com/SSB_Rumble/index.php?act=idx
Has anyone else tried the game? You should and also join the Forums.
it looks worth to try