SoundHound for Android automatically adds searches to Spotify
Ever wondered what song was playing while you were walking around a mall and needed to look it up? Apps like SoundHound will help find that out for you. Now, SoundHound for Android makes it easier for you to listen to these newly discovered songs. The app now automatically adds the songs you look up to a Spotify playlist. All you need to do is connect your SoundHound with your Spotify account.
Source: Android Police | Download: Google Play Store (Free)