Touch Detective 2 1/2 impressions at 4 Color Rebellion.
"The Nintendo DS was designed for adventure games. Luckily for us rabid “point and click” fans, developers realize this basic fact. We’ve seen a number of excellent games in the classic adventure style — Hotel Dusk, Phoenix Wright, Trace Memory. One of the first adventure titles to hit the DS, Touch Detective, was a beautiful, if flawed, entry in the genre."
Full Source: 4 Color Rebellion via Gonintendo