MySims hands-on at Pocketgamer.co.uk.
"The Leipzig Games Convention is held in Germany. The clue is in the title: Leipzig's in Germany, you see. And that, perhaps, was why German was the default language in the demo of EA's reinvention of its Sims series for the Nintendo platforms.
Still, the Sims speak their own language, so playing the game 'auf Deutsch' wasn't actually that troublesome."
Full Source: Pocketgamer.co.uk