Windows Media Player (WMP) is a media player and media library application
developed by Microsoft that is used for playing audio, video and viewing images
on personal computers running the Microsoft Windows operating system, as well
as on Pocket PC and Windows Mobile-based ... Windows Media Player Mobile[
edit]. Windows Media Player Mobile 10 on Windows Mobile 6.5 supports MP3,
ASF, WMA and WMV using WMV or MPEG-4 codecs.