1. The packages from ports.ubuntu.com don't work on my Zaurus C860, it allways returns "Illegal Instruction" instead. When I use packages from packages.debian.org for armel they work witithout illegal instruction.
2. But I have still a problem, these game packages (I have tried Blobwars and Wesnoth) print "there is no sound card", but the Game FlBlocks included in Zubuntu works with sound.
I use Zubuntu 9.04 from http://www.oesf.org/forum/index.php?showtopic=26510 .