Files won't play and more...

[tantrum829]

Like rdd0512 said the stock wmp should play those file formats.

The TCPMP is an alternative with alot of extras.

If the video isn't smooth on the TCPMP go to settings and toogle with the video drivers.
Like the raw frame buffer and GDI and see which one plays better and dont run too many programs at once because I seen that affecting the playback on my phone.

EDIT: Also you might have to go to settings >file association and put a chk mark on the file format you need to play.