The "Sompy Media Player" is planned for use on Windows Mobile devices.

Now you can use it with built-in codec for video files (AVI, DivX), MPEG4 files (MP4, M4A), MPEG movie and audio files (MPEG, MPG, MPV, DAT, MP1, MP2, MP3, MPA), files (MKV, MKA), Ogg Vorbis files (OGG, OGM), and AAC files (AAC).
With Sompy Media Player Enjoy you can watch movies or listen to MP3's.

NEW: Version 1.0.0328 includes updates.