This "postmortem" from GDC 2014 gives a lot of insight into the development of the game from a Virtua Fighter RPG for Saturn into Shenmue for the Dreamcast.
This is the latest build of DEmul, and here's the site for installation instructions. Apparently there are still some issues with sound on Shenmue II though.
DEMUL claims to be able to run WinCE games, haven't tried myself:
I haven't played it and don't know if it is still being played, but you could always check out Armada Online:
Absolutely! You can rip the rom using this guide: http://wiki.redump.org/index.php?title=GD-Rom_Dumping_Guide
Then load the games using Demul: http://demul.emulation64.com/
You might try something called Demul. http://demul.emulation64.com/
Or lxdream. I just compiled it in Linux (kind of had to port it) and downloading street fighter 3 to test it. 12 minutes until the download ends.