You can use MTool to get a crappy MTL, but at least you can navigate.
Had a funny interaction in the 1* dungeon, Amazon chick needed MC's 'help', but she ended up killing 4 demons all by herself. Got 3* armor and weapon at lvl 1 that carried me.
anyway if you want my crappy texture edit just drag the choices folder from the zip into www/img/
If you want to edit anything feel free, I used
You must be registered to see the links
to edit the rpgmvp files (the encryption key is d41d8cd98f00b204e9800998ecf8427e, you can find it in www/data/system.json)