Heres a new release of the Game Boy Advance emulator for the Nintendo 3DS:

A new release of mGBA, version 0.6.3, is available. This version is a bugfix release to address some major audio and video regressions that snuck into 0.6.2. As such, all users of 0.6.2 are encouraged to update, especially if they are playing Game Boy games.

Bugfixes:

GB Audio: Revert unsigned audio changes
GB Video: Fix bad merge (fixes #1040)
GBA Video: Fix OBJ blending regression (fixes #1037)

Get it now in the Downloads section. Binaries are available for Windows, Ubuntu, macOS, 3DS, Vita, and Wii, and the source code is available for all other platforms.

download https://mgba.io/2018/04/14/mgba-0.6.3/

via http://www.nintendomax.com/viewtopic.php?f=132&t=16532