Any downloads claiming to be an "extra quality English patch" for this specific title are highly likely to be misleading clickbait, spam, or potentially harmful files. Because the game is a 3D fighting game, it is highly playable even without knowing Japanese.
Always keep an untouched copy.
Controller/input
The "extra quality" keyword is a target for archivists. If you find a patch labeled with those words, verify it immediately. Check if the "Target Lock" text on the bottom left is in English. Check if the Varia intro speech bubble is translated. Any downloads claiming to be an "extra quality