You could easily process the audio and filter in on the device and just send the transcribed parts that match your filters for further processing. No need to send a constant audio stream. Eventually it would show up in the battery usage but things like the google song recognition also heavily use the mic and process audio and it doesn’t show up as heavy as you would expect.

Just use the Heroic launcher

How do you motivate people to reach for more, he asks, on a platform that is literally developed for free. Have you ever thought that people do certain things because they like them ? I see not every job is likable tho. But that’s a different problem, we can try to solve by technology. I know my opinion is also biased but in the end we should try to a bit more open minded.