Hey, this post was a long time ago, but I can't figure something out: when I try to make a menu option for changing the languages, I get an error where it says that it expected a statement in the line that says renpy.change_language(None).
Viewing post in Implementing Translations comments
No worries! I will try to help as I'm able. There's a pretty good chance my code has become outdated, but let's see what we can figure out!
So according to this renpy documentation page,
renpy.change_language(language, force=False) Changes the current language to language, which can be a string or None to use the default language.
Have you changed "language" (the brackets) to the new language on that menu?