“Every language (auto)” = the AI detects the user's language and replies in the same language and script.

Pick any style, press Save — the whole app changes instantly. More styles can be made later in your colours.

Saved only in this browser (private to this person) and used in every chat, old and new. In any chat you can also start a message with remember: — example “remember: I am learning English” — and Neem saves that line here by itself.