No console maker allows AO rated games, and there have been fewer than a dozen M rated games on the DS.
This is where the wonder of homebrew comes in, and as I understand it the NDS has a reasonably active homebrew community
"The RIAA will appeal the ruling that reduced Jammie Thomas-Rasset's $1.92 fine for file sharing to $54,000.
Those bastards, how could anyone afford a $1.92 fine? Oh, I think you forgot the word "million." I guess that's more reasonable.
How many of you pro-nuke posters would be willing to have a nuclear plant within 20 miles of were you live? How many would be willing to have the toxic waste stored on-site of the plant? I thought so.
I would be willing to have all of that far closer to me than I would like to have a coal plant, which is what nuclear would be intended to replace.
"I've seen it. It's rubbish." -- Marvin the Paranoid Android