The other clients will be able to see/use smart collections and playlists based on filters created within Plexamp, but you cannot currently edit those (or otherwise filter a library by those attributes).
That being said, there’s already two existing suggestions asking for Plex to add such filters to the other clients:
Please comment/vote in those threads in order to help us avoid distracting or cannibalizing votes. Unless I’m missing some unique aspect of your suggestion I’ll close this thread as a duplicate.
