game needs to be cracked

i just noticed on the comments tab prior to downloading sonic and sega all star racing onto R4i flash card for dsi that Seph posted this game needs to be cracked to work .. I dont understand what this means ????????? please help

It means that the game has Anti Piracy and someone needs to fix it so it can be playable.

You can see here for more help about cracking the game http://forum.romulation.net/index.php?topic=35003.0