ADOM definitely rocks and it's still my favorite thing to play on my N800.

If you install Rubybox along with the touchscreen keyboards, you'll want to overwrite the old layouts with my new ones that will be found in here:
/home/user/.rubybox/.xkbd_layouts/

Also look at this post as well so Rubybox works correctly.
http://talk.maemo.org/showpost.php?p...&postcount=578

I have a DOS version of Nethack with colored menus, colored hit points and colored dungeons that someone personally compiled for me if you're interested.