App Power Bi Desktop. Search and add powerapps visualization to add visuals to the power bi desktop. I suggest you refer to the publish app article to understand the power bi app creation.
In order to add new fields to the app, the app must be edited from power bi service after changes to the power bi report fields. Choose data connectivity as import or directquery based on your data refresh requirement. Now power bi will take some time for loading, and you will see the initializing model like the below one.
Save time and make data prep easier with data modeling tools.
Your powerapps visual will now show the newly created app in the power bi report. All you need is a microsoft account (which can be live account) to be able to access apps from the store, and the power bi desktop app is free; There are ways to detect it but with this release of power bi desktop there is a new “trick”. You already know about the limitations of dashboard sharing and workspace sharing.