1 - Open the app in a browser on the phone.
2 - Add the following text to end of the URL for the app: "&monitor=true"
3 - Perform the steps to generate the errors and download the results from Monitor.
4 - Open the application in a browser on a laptop computer when they return to the office Reference:
https://powerapps.microsoft.com/en-us/blog/monitor-now-supports-model-driven-apps/