You're looking for information on the English patch work for the Yu-Gi-Oh! ZEXAL World Duel Carnival game. Here's what I found:
: Minor elements like "Tier 3" (generic video game-only) duelist profiles may still be in Japanese in some versions. Comparison: Official vs. Patched Version yugioh zexal world duel carnival english patch work
Keep in mind that the patch is a third-party creation, and users should be cautious when downloading and applying it. Make sure to follow the instructions carefully and backup your game data before applying the patch. You're looking for information on the English patch