I’ve been using Sonos for 5+ years. Besides setting up your system, I am confused about what is the Sonos App for? 

My use case is really basic. I would like to see at a glance what is playing on all my speakers. Help me easily combine speakers for the source I want. But it’s clear this is not the top use case for the app. 

What does everyone use the app for? What is the user interface optimized for?

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FWIW: here is my experience trying to use the app for my use case above:

When I launch the app, it shows a recently played that’s always empty.

My connected services (Apple Music & Spotify) - the Sonos interface takes more taps to get to the playlist and album with the nested menus. It also slower since it doesn’t seem to cache locally. So I usually have the music already playing from Apple Music or Spotify.

My sources: which only shows the TV. I don’t understand the user value to start from the Sonos app for external sources. It doesn’t allow me to control my TV. 

Floating Play Bar - Defaults to one of the speakers. It’s not obvious how to get to other speakers. I often just tap on it which triggers the Now Playing view. Then I tap on the new Speaker icon on the right side of the bar (which is not standard and always takes me a min to go from books > speakers), it shows other speakers that I can combine with the default speaker (which is not what I want).  Then I finally notice the little gray bar at the top of the panel signaling maybe this panel is swippable. At last I found the other speakers.