In the mid-2000s, the GBA was nearing the end of its life cycle. Publisher Banpresto (now merged with Bandai Namco) had brought the first two games over, but the third title fell victim to timing and corporate consolidation. By 2006, the DS was the dominant handheld, and the cost of localizing a text-heavy RPG for a dying platform didn't make financial sense for the publishers.
Keep a copy of your original Japanese ROM safe in case something goes wrong. -summon night swordcraft story 3 english patch-