OpenTTD being the open-source remake of Transport Tycoon Deluxe, a game which some of you might remember from quite some time ago. It was a big hit on PC, having you create a nice economy by setting up transportation lines for goods and what-not in the world. Pure awesome.
Anyway, someone that goes by the nickname load*,8,1 is busy on porting OpenTTD to the DS, and has released a preview version. Lots of random crashes still, apparently, but they'll be worked on and this shows you people just how perfect this game would be on the DS.
Some old screenshots which are uploaded to ImageShack can be found here. I'd put up newer images and the actual download, but I can't get the actual homepage to load for me anymore, unfortunately. My appologies. Image 1 and Image 2.
options
