Spotify on iPhone works this way as well. Tap a song while playing a different one, and the new song immediately starts to play. Swipe to the right and press th

Spotify on iPhone works this way as well. Tap a song while playing a different one, and the new song immediately starts to play. Swipe to the right and press the playlist icon and it gets added to the queue. I've messed up song requests, to the ire of friends listening.