Finally a decent Video Player For Android which supports almost all formats
Rockplayer is an android application that supports almost all kinds of videos on ur mobile. Currently it is in public beta stage. Currently only ARM6,7 Processors are supported.
You can download it from
http://groups.google.com/group/rockplayer
From their site :
We are proud to announce the RockPlayer is ready for public beta, enjoy video on your favorite phone now!
Support Android OS : 1.6 – 2.2
Support Media format : avi mkv rmvb flv mp4 3gp wmv mov asf , divx xvid h264 rv40
CPU Requirement: ARMV6 、ARMV7 .device must support VFP (NOT Support: HTC G1 G2 G3 )
the best video player that i use is none other than VLC Player, it is free and i think it is open source too~*,