NK has updated Qtopia for the GP2x. Qtopia is a graphical environment for Linux on a handheld PC or small device. Changes:

03/07 added button mapping.
Start : Menu(Home)
Select : Select
A : Return/Ok
X : Escape/Cancel
Y : Tab
L : Left
R : Right

added Network support kernel image.

http://archive.gp2x.de/cgi-bin/cfiles.cgi?0,0,0,0,8,1361