I have to admit, I like the music for the first stage of "Mystic Square", despite it being much older XD Anyways, don't ask about the weird text; my - The PokéCommunity Forums

Assuming you're using Anex86:
Find anex86.bmp (I used Google) and put it in the same folder as anex86.exe.

As for seeing Japanese text outside of the emulator, just get any Japanese or Unicode font that includes the CJK range from the Internet.