via http://www.aep-emu.de/
Marat Fayzullin has released another version of its GameBoy Advance emulator VGBA-Android. Since September the windows version is for free.
Quote:
VGBA-Windows 4.7, released on November 26 2014, fixes bugs in Golden Sun and Zelda and greatly improves the audio quality, correcting sound in Castlevania, Metroid, Golden Sun, and many other games.
