I've been a fan of Dope Wars since it was Taipan, a game for the Apple IIe.
This is a link to the only known version of Dope Wars for the Pocket PC. In my opinion, it is awful. The interface is intolerably difficult to navigate.
http://dopewars.scum.dk/
However, there is an excellent version of Taipan for PocketPC that I *LOVE*. There's a free 2-year demo (my record score happened in 13 months). I have spent only $10 on any software for my PocketPC, and this was it. I know it's not freeware, but I had to mention it:
http://www.lhaven.com/prod01.htm
You can buy it here:
http://www.handango.com/PlatformProd...0&platformId=2