Hacking Japanese language support?

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I've got a bunch of Japanese games but EOS doesn't recognize Japanese characters.
The best I could find was a modified DSGAME.nds and globalsettings.ini off r4idownload.com, but that's two years old and probably for an older version of EOS.
Are there any other solutions for this or will I have to content myself to seeing _ _ _ _ _ and all matters of weird characters instead of a proper name?

Also... Is there a way to get the GBA Emulator to play on the bottom screen?
My top screen is dead and replacement screens are on their way from Hong Kong, so who knows when they'll arrive.

 

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Just wanted to follow up on this in case anybody needs the information.
I discovered that Traditional Chinese and Simplified Chinese has Japanese support.
What I did was replace the Simplified Chinese language.txt with the English language.txt and BAM, English with full Japanese(And Chinese!) text support.

(You can also get Japanese language to half-work by putting the lang_jp from the Japanese OS into your language folder and set your globalsettings.ini to lang_jp. Most of the characters are recognized by the DSTWO but a few produce "?" marks.)