If You are using Matomo with multiple sites, You cannot easy see all the sites You created.
Of course Yu can use web interface, but is slow and You cannot see all sites at once.
With the app you can:
- test single server
- setup multiple sites
- test every single site on you server
- see bars stats for users / access
- see charts for real-time access
- see consolidated access
- change periods on which stats are calculated
You have to simply add the server url, and specify on or more sites, simply addig for example 1 (that means 1 site of Your pool).
numeric values can be rough to see... so you can adda title that You will see in charts labels.