SAO Music Extension is an Android program developed by Xlythe that provides music controls for SAO Launcher. The app is free to download but will request $1 during the installation process. This app falls under the Lifestyle category, and to use it, one must start playing music, for example, with Google Music. Then, use SAO to pause/play and skip/rewind songs.

The app uses in-app purchases since paid apps are encrypted and do not work as extensions. However, the purchase will be remembered even if you uninstall or get a new phone. In case of any issues, users can contact the developer at SAO Music Extension is a simple and useful app for those who frequently use SAO Launcher and want to have control over their music without leaving the app.