jlebrech made a 2D Elite like game for the GP32. It is still in beta stage, but you can get a beta version of it from the GP32x Boarsd. Don't forget to leave feedback.
Shahzad Sahaib's Articles
Torlus ported Java Virtual Machine for GBA. More details on his page.
AGB Rouge by Donnie Russell has been updated recently. You can get the file from his homepage (see download section).
Keen on Pacman? There is now a new classic conversation by Bootlegger made with DragonBASIC. You can get it from the DragonBASIC homepage.
After months of no update on CastawayGP, Jeff updated it. Finally we have better sound... but the release is still experimental.
If you loved to play Lucas Arts Adventures on your PC and you want to play them on your GP32 as well... you might check out ScummVM very urgently :)
Mike Dawson released an updated port of Frodo for the GP32. Frodo itself is a portable C64 emulator written by Christian Bauer. This GP32 port includes sound and graphics rendering code by Groepaz, and uses Sasq's pogo lib.
A new GBA demo fresh from TUM 03, a demoparty which has been held on the past weekend...http://scene.org/file.php?file=%2Fparties%2F2003%2Ftum03%2Fhandheld%2Fbh03_-_banzai.zip&fileinfo
This post might be a little late for now... but WhiteFalcon released a small xmas demo for GP32.http://www.gp32emu.com/
Blastar released a GBA Intro under the Tristar.http://www.gbadev.org/