One major thing that differs the "starred" playlist and the "plussed" is that the plussed will not show up on your profile as the starred one. It's also not possible to set the plussed songs to be available offline.
One major thing that differs the "starred" playlist and the "plussed" is that the plussed will not show up on your profile as the starred one. It's also not possible to set the plussed songs to be available offline.