From Amarok Wiki
Complete instructions on how to use additional installation sources can be found on the openSUSE website. For further information how to get the latest KDE on openSUSE read KDE and openSUSE.
Stable release: 2.2
Packages can be found in the KDE:KDE4:Playground repositories.
Phonon Backends
See openSUSE's audio troubleshooting guide and the Phonon page.
MP3 Playback
For MP3 playback see the page on MP3 in openSUSE.