to display your GBA games directly in the main dashboard library?

Una vez dentro de XeBoyAdvance, accede al menú presionando el botón simultáneamente.

Ensure Vertical Sync is enabled to eliminate screen tearing during fast-scrolling sequences in games like Sonic Advance or Metroid Fusion . Audio Fixes

Here's a general guide to get RetroArch, with its GBA core, running on your RGH Xbox 360.

The default mapping is intuitive:

RetroArch is an "all-in-one" emulation frontend. Through its "libretro" system, it hosts a core called specifically for GBA games.