Nice, I just visited Japan a couple of months ago. I wish this was binaural. I still vividly remember hearing this video[1] from the Verge published almost 11 years ago.

[1] https://www.youtube.com/watch?v=2Gpl99s02Aw

I have a pair of binaural mics, would love to contribute to something like this… problem is, im in China :p Any requests are welcome