If you haven't heard of modules before, please have a look here: http://en.wikipedia.org/wiki/Module_file.

Features:
- Support for 669, AMS, AMF, CBA, DIGI, DSM, FAR, GDM, IMF, MOD, MDL, MTM, MXM, OKT, PLM, PSM, PTM, S3M, STM, ULT, UNI and XM.
- Linear interpolation for better sample quality.
- Volume ramping for click removal.
- Audio visualisation.
- Nice GUI.
- Song info viewer (instruments/samples/songmessage).
- Playlists.
- Shuffle playback.
- Configurable button layout.
- Support for zip compressed modules.

Note:
- Please notice that there is no desktop installer yet. Just copy the executable of your choice (ARM or MIPS) on your device and execute.