Spotify for BlackBerry has left beta and is now available to any user with a compatible phone. The compatible BlackBerry devices include:
Bold 9780, Bold 9700, Curve 9300, Bold 9000, Curve 8520. Currently the app only supports phones running on GSM networks. CDMA-network phones and the Torch 9800 are not compatible.
To download the Spotify app simply point the browser on your phone to m.spotify.com and follow the installation instructions.