I think DVD menus are the same all over the world - there are three (or four?) each, and they appear at random AFAIK - but I’m pretty sure there is a way in hardware player to choose (or change) them.
Foreign language: this is a thing I’m thinking about since the beginning… it will be hard just with the english track, so I thought to use only that. I’d like to add subtitles for the whole movie + deleted scenes in other languages, but it will be really hard… 😦