What’s the best way to conduct moderated remote user testing for mobile apps

Given the recent covid-19 situation, my team has been limited to hosting our future user testing sessions completely remotely.

As the features we test are predominantly mobile based

this comes with considerable overhead and challenges

  • asking users to instal apps on their mobile device or laptop (that they aren't familiar with and might not trust)
  • asking users to set up their environment, e.g. a quiet place. aligning the laptop camera to view the user at a certain angle where their hands and face visible.
  • missing out on non verbal communications

it would be great if anyone had similar challenges and suggest solutions or how you overcame them