Soundrivin is a SoundCloud client app for Windows Phone 7 allowing you to access your SoundCloud account from your phone.
Log-in and navigate through your favourite tracks in a stylistic Metro interface. You can listen to any of the SoundCloud sounds, add friends and favourites and so much more!
You want to share a sound with your friends? Just record and upload it easily.
The app is free and advertisement free, so grab it on the marketplace.