In translation:
DS Training for Adults who Struggle with English _It's a DS game which helps Japanese people get better at English (since it's such a hard language to learn). And they made a clip of what would happen if you ONLY say "yes":
http://touch-ds.jp/mediagallery/st64.html
And also, there's one coming out for us American Japanese-loversl No title yet, but it's called Project JDS. For those who need to brush up on your Japanese skills or just wants to not read subtitles anymore, this would be a convenient little "game" to buy. TBA on release date. I know I'm getting this when it comes out._