Of course; turns out it’s the “extra work” path to get this working.
I was able to get some fonts to test with from here, from the work @hunty did: 
Japanese pixel fonts with Kanji support - #5 by hunty (thank you for that!)
With that, I was able to get things sort of working:
A bunch of these titles are clipped because of the entire app effectively assuming ASCII everywhere, but it’s a start. There’s a bunch more to do to get all the plumbing working. 