FLV Files
Flash Video is a file format used to deliver video over the Internet, Flash Video
is viewable on most operating systems, via the widely available Adobe Flash Player.
MP4 Files
MPEG-4 (MP4), is a multimedia format, is most commonly used to store digital audio and
digital video streams, especially those defined by MPEG. MP4 is played in QuickTime,
iTunes, iPod, iPhone, Playstation Portable (PSP).
3GP Files
3GP is a simplified version of MP4 format, designed to decrease storage and bandwidth
requirements in order to accommodate mobile phones.
Recommended Player
VLC media player
VLC media player is a highly portable multimedia player for various audio and video
formats (MPEG-1, MPEG-2, MPEG-4, FLV, DivX, mp3, ogg, ...) as well as DVDs, VCDs,
and various streaming protocols.