According to Nathan Tolbert, coder of the homebrew GBA RPG “Aguna”, there was a minor bugfix recently.

Quote from //phpbb/viewtopic.php?f=6&t=452 :

By the way, I just reposted the rom with a minor bug fix, so if you happen to end up hosting a copy of the file, make sure you get the latest.

Anguna is an older-style adventure game, which encourages exploration, and doesn’t hold your hand and tell you where to go at every step of the way.