OK I have finally got around to testing this camera out, see https://www.mapillary.com/map/im/AaPOKLiTClcAxBP2asUC3A (excuse the thumb smudge on the lens).
It’s pretty easy to use and like everyone else it took a photo every 4 seconds even though I set it to 2 second interval.
I was using the app to add location to each image, but this is not working very well, as the location is only updating every 12 seconds or so which bunches the images up together on the map, so I have had to manually correct these, I guess I will need to run a separate GPS tracker app and then add to the images afterwards, any recommendations?
Also I used the Xiaomi PC app to batch stitch the images and it seemed to work OK!
I am really happy with the image quality and if Xiaomi can sort out the location data then it will be almost perfect!