Please update Last Played and Playcount when playing songs.
Please update the Last Played and Playcount attributes when a song is played. That will allow Smart Playlists based on Least Recently Played and so on to update properly when syncing device to iTunes.
Greg shared this idea
Sorry for the late reply: Right now, last played and playcount are not accessible for third party apps. I leave this request open but until Apple moves, I cannot do anything.