It doesn't work for me.
I keep getting that blue top screen and the useless bottom screen.
I'm using a 1GB Toshiba and I've already formatted and tried putting it in there manually.
I forgot but there was a button combination to stop the autorun. It probably runs the DS Keyboard app since it was the file you had selected while you were messing with you settings.
@SylverReZ, the reason I changed my pfp only to change it again a day later is bc that while i find Kagura from gintama likeable and funny i think i relate more to lidelle from puyo puyo