A speech-to-speech translation app, with automatic language identification. One touch interface to start/stop. No configurations required for everyday use cases.
That's the plan... :-) It can auto-detect 45 languages now, including Chinese, Japanese, Arabic and most European languages. (like in sci-fi movies, it allows two users to share a pair of airpods to talk to each other in different languages.)
https://3po.evergreen-labs.org