XMPlay is an audio player, supporting the OGG / MP3 / MP2 / MP1 / WMA / WAV / AIFF / CDA / MO3 / IT / XM / S3M / MTM / MOD / UMX audio formats, and PLS / M3U / ASX / WAX playlists. A lot of other formats are also supported via plugins.
To install automatically XMPlay on your LiberKey, make sure you previously activated files associations from the "LiberKey Tools" menu.
You can then open the file directly to start the installation.