Spoiler: Unlike what you'd expect, this project has no voice recognition or response - it's just a touch-screen that shows weather/calendar/etc.
Nor are they that hard to do with the right libraries
wav2letter can transcribe locally and well.
I will note that different people have different definitions of "good" in this space. For example, I've used online services like otter.ai and, while they're useful for certain purposes, they're still much worse than a human for transcribing. They're certainly not worth my time to clean them up to publish an actual transcript.
I have not tried the other [otter.ai] service but even with speech to text on my iPhone, which to note is not running luckily [locally], it seems pretty accurate at transcribing what i say
^ the above was transcribed on an iPhone and the errors are bracketed.