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It's only common sense that a japanese patch will turn the F1 menu into japanese. That message was for the english users and if there was an English patch then it would be very different to this one as the japanese rpg maker has different errors to the english rpg maker.
It took some searching, but I found an email, I think for customer support, but who knows!? I'll post if they respond. I asked about an update for us, I also asked if any new maker could be around the corner