Improving your mind isn't a bad thing, it's a good thing. This may actually work.
Ok, so the handwriting is shaky, and so is the voice recognition, but once you learn how it reads handwriting and listens to you, you can properly draw a 9 or a 4. Pronouncing words and colors properly doesn't take long to figure out either. Actually sharing the game with a couple of people helps you as well because you'll get tips on how to draw the letters, not to mention the fact that you can compare drawings. I don't know why, but I just can't draw on the DS, but other people can. I suppose I'll learn that as well.
Tonight, I went shopping, brought a shopping list with me. I didn't have to constantly refer to it, and in fact, only had to look at it once. There's my proof and I've only been playing this thing for 5 days.
Giddyup. It's so cheap and worth the little time it takes to frustrate yourself until you really start noticing improvement. One tip though, DO NOT PLAY THIS DRUNK! YOU WILL SUCK LARGE!