Dont listen to negative comments of people willing to destroy for the pleasure.
This does exactly what it does : saving into a playlist songs you are currently listening. Mrs Apple doesnt provide us with this feature but this app does. A pity it doesnt sync between iPhone /iPad or through iTunes. This costs one star.
Worth to buy it for the job somebody has done for users anyhow
Antoine M about Playlist-Creator: The Ultimate Running, Driving, Workout, Dance, Party, and Relaxing Music Organizer!, v5.2