demo of google fit

in this video, Austin gives us a detailed demo of Google Fit: Activity Tracking, which can be installed from.
https://play.google.com/store/apps/details?id=com.google.android.apps.fitness&hl=en_IN&gl=US
including showing how to measure your heart rate and respiratory rate using your phones camera.
Some of the features demoed in the app may not work on non-pixel devices.