It’s different, but it’s growing on me, except that the “Cameras as Chime” feature of Video Doorbell v2 appears to be completely hosed in the v3.0 app, so I’ve been ranting at e-mailing Wyze Support about that.
I don’t know if that’s the terminology Wyze uses for that interface element. I’m just using it because that’s what I’ve seen applied to other interface bits in the past, so it seems to work, I guess. 
Plugs and Plug groups get a tile that’s the same size as a camera group tile, but instead of having the power button/indicator on the right side, the entire tile is the power button/indicator, so it’s outlined/highlighted in green when on. It seems pretty intuitive since a Plug is basically going to have one of two states in normal operation.
Just to see what it would look like, I added both outlets of a Plug Outdoor to Favorites, but this particular Plug isn’t currently plugged in anywhere. On Favorites, each of these two tiles has a red outline and red “Offline” text. I like the way that works and think it communicates clearly to the user.
I do that already, because of this: