User blog comment:Coffee BAM!/How to Make a Zombtany Wall-nut Bowling !/@comment-69.23.218.123-20120427013032/@comment-26531060-20120427014701

Nope. The DS/DSi ROM can't be altered, except for AR hacking, such as Money Hack, Sun Hack, Recharge Hack, etc, but needs a flashcart to do that.