[HebrewHammer]

Thanks for the reply and yes, me too re:  Squeezer.  However, what I'm really trying to accomplish is to get a single unified KODI front-end experience across all my TVs; historically have used all Pi's, but experimenting with FireTV now. 

Ok, re-read your original post and I think I understand your issue now. I mostly use my players "headless" so controlling them from Squeezer is all I do. You could try XSqueeze but it hasn't been updated in at least 3 years, so I don't know how well it's going to work.

Sorry for not being clear, and yes, this is NOT a headless deployment; essentially using my TV's and their soundbars + KODI as my multi-room audio system.  Have been using all Pi's, but am now experimenting with a FireTV stick and AndroidTV box to include some older "dumb" TVs in my setup.  Its weird how almost perfectly the Plugin works via Android (it allows me to browse the LMS server, initiate playback, change syncing, etc.) but simply does NOT fire the "Now Playing" screen when music starts via the LMS/Squeezelite client as it does with local music, or as it does on the Pis.  The music plays, and its synced, so 90%+ there, but having the Now Playing screen (and Artist Slideshow, etc.) is the part of the experience I'm missing.  Guess I'll keep experimenting and see what I can find. 

Thanks.

Yea, from what I've been told by Kodi plugin devs this plugin wasn't written "correctly" (or maybe it was when it was originally published but was never updated as Kodi updated). So to get it work work properly would take a rewrite.