bASMic IDE by WriteASM is a BASIC and ASM integrated development environment for the GBA (coded in 100% ARM7TDMI ARM and THUMB ASM.)

http://forum.gbadev.org/viewtopic.php?t=17936

VMP by marcelo is a brandnew .mod player for Gameboy Advance. VMP comes with GBFS support, allowing you to create your own compilations.

http://filetrip.net/gba-downloads/homebrew/download-mod-player-for-gba-vmp-10-f31737.html

Epic Realtime by Cosine is a Gameboy Advance Demo released at tUM 2012.

Epic Realtime by Cosine is a Gameboy Advance Demo released at tUM 2012.

http://www.pouet.net/prod.php?which=60898

Dwedit has updated PocketNES, a NES emulator for Gameboy Advance.

Features:

* Seamless sound, no more crackling on square wave channels.
* Correct frequency sweeps and triangle wave volume.
* Completely automatic speedhacks that just work, so there’s no menu for them anymore.
* FAST. Turn off VSYNC and watch the games zoom.
* Many parts are are more accurate than before.
* Working Savestates
* Fixed many bugs
* DMC IRQs! Play Fire Hawk and Mig 29 Soviet Fighter!
* Dendy mode

Broken: (These were in the previous branch, but have not yet been reprogrammed)
* Mapper #9, #17, #33, #40, #64, 73, #105

Changes:

Minor update, now supports mapper 206, and code was changed to build with the newest version of DevkitARM.

Mapper 206 (DEROM) is like a cut-down version of MMC3, found in games like RBI Baseball, Gauntlet, Ring King, or Super Sprint. ROMS using this mapper used to be marked as Mapper 004 (MMC3).

Thanks to http://nintendomax.com/viewtopic.php?t=14435&f=27 and http://www.emucr.com/2012/07/pocketnes-20120706.html for the news.

http://www.pocketheaven.com/ph/boards/viewtopic.php?t=7385

Dwedit has updated PocketNES, a NES emulator for Gameboy Advance, once again. This seems to turn out into a long time project and gets better every release.

Features:

* Seamless sound, no more crackling on square wave channels.
* Correct frequency sweeps and triangle wave volume.
* Completely automatic speed hacks that just work, so there’s no menu for them anymore.
* FAST. Turn off VSYNC and watch the games zoom.
* Many parts are more accurate than before.
* Working save states
* Fixed many bugs
* DMC IRQs! Play Fire Hawk and MIG 29 Soviet Fighter!
* Dendy mode

Broken:

* Mapper #9, #17, #33, #40, #64, 73, #105

Thanks to http://www.nintendomax.com/viewtopic.php?t=14399&f=27 and http://gbatemp.net/topic/328711-pocketnes-6-13-2012/ for the news.

http://www.pocketheaven.com/ph/boards/viewtopic.php?t=7385

Saphir by xFlasH is a conversion of the T08 hit from 1986 by Infogrames. Original work by Eric Szymkowiak.

http://gbadev.org/demos.php?showinfo=1391

Dots by gauauu is a classic pencil and paper game of Dots, to be played on GBA.

http://gbadev.org/demos.php?showinfo=1392

Loc-O-Mania by Michael El-Baki is a puzzle game where you are presented with different rail systems. Trains appear randomly in stations and must be guided to another station. It’s up to you to play with junctions in order to safely drive trains to their goal.

http://gbadev.org/demos.php?showinfo=1397

Star Fortress Dendron by Scott Lininger is an isometric RPG made for the 2004Mbit competition back in 2004. It now has been released as standalone ROM.

http://gbadev.org/demos.php?showinfo=1398