Mosaic Monitoring requires a Pro subscription.
With the Monitoring Mosaic, you can watch all your Players at once.
You find Monitoring in your Players tab:

Setup
- In order to use the Monitoring feature on your Player you first have to enable it. To to your Default Player Settings and enable Screenshot Frequency.

- You can choose between a low, medium, and high frequency.

- Click on Apply to choose your Players and Save the Settings.