Sony Mobile has updated the Walkman Beta build number to version 9.0.1.A.2.0beta. The big new feature of this release is Google Cast support, although the dev team cites that this is an experimental feature. Other changes include better looking album art in the lock screen (for those on Lollipop) and the “Download music info” feature has been moved to the Settings menu. If you want to download the update you can join the Music Beta on Google+ or download the APK below.
DOWNLOAD APK: Music (9.0.1.A.2.0beta)