Quiet Reachy Mini ideas? No talking, no always-on mic

Looking back at the launch and trying to invent a small holiday project. I'd like an interaction that doesn't rely on speech or listening all the time. A physical button to request a turn, with a gentle movement in response, sounds more appealing to me. Has anyone drawn up something along those lines? Ideas welcome; I'm not asking for a finished app. https://huggingface.co/blog/reachy-mini