Vlc Media Player: No doubt Vlc Media player is King of media players in windows OS because it is capable of playing video and audio of any format. So here is his first version for android. it is an open source media player so you can download it easily.
Real Player: Real-Player is the best all-in-one multimedia app for organizing and playing your favorite content on the go.Real-Player makes it easier than ever to watch a video, listen to music, or even view a slideshow of your favorite photos.
Double Twist: doubleTwist is free of cost and this allows the wireless synchronization between Android devise and PC.and also it is able to make a transition from iTunes to Android.
Rock Player Lite: Rock Player is one of the best media player and capable of playing videos of any file format.It has onscreen brightness control, volume control and even screen adjustment options — some of the basic requirements to watch video on an Android smartphone. It is not capable of playing only one format, x264 encoded mkv file.
Mobo Player: Mobo player is capable of playing HD videos of 1080p without any hesitation. Apart from the good user interface, Mobo Player also supports streaming video though HTTP and RTSP protocols. This video player offers multi-audio streams for video files so that you get the best experience on your smartphone.
MX video player: Best is to download one of those video players that offer separate codec packs. These codec packs are optimised for high quality performance based on the rendering engines supported by ARM Neon and Nvidia Tegra 2 chips.
mVideoPlayer: This video player is capable of most popular video file format. but not capable of playing mkv files.This player offers a built-in subtitle search option, which is powered by OpenSubtitles.org. Apart from that the app can be used to check movie information from IMDB.com.
Music[MSpot]: It is a cloud based application, similar to doubleTwist it allows you wireless synchronization among devices. But the best thing about this application is that it is absolutely free.
Cubed: This provides a perfect user interface so improves phone visual effects.The application makes listening to music much more fascinating and being rated 4.5/5 by over 15,000 people is a big deal!. The interface with 3D cube makes it really amazing.
MIUI: The MIUI app comes pre-installed with the MIUI ROM and is not available in the Android app market. Well, it is a great application and proves to be a good replacement for the stock applications available.
Winamp: Winamp is one of the oldest media players that I have come across. It had been pretty popular on Desktop PC’s and now it comes to Android. Winamp has a great fan-base and thus it deserves to be on the list.
Mort Player: It includes a special version for music track. Having separate folders and you can save and restore the position of every track.
Tune Wiki: TuneWiki is a social media player that shows subtitled lyrics as you listen to your music, watch music videos, or stream songs through our SHOUTcast™ radio feature. Translated into 40+ languages, search for lyrics to over 2.5 Million songs.
MixZing:
MixZing is simply the most advanced media player around! The mail
features of this apps are Home-screen and lock-screen widgets with
album art, MP3 tag editor, automatically download missing album art,
recommend new music etc.
Astro Player Beta: It’s
still in beta version but surely promises a lot with all major
features available. It is music and video player with audiobooks and
podcasts support. It supports advanced bookmarks, folder based
auto-playlists, fast playback, equalizer, skins, scrobbling, fetching
album art, auto-resume, lyrics, podcasts and more.
Video Player: This application
plays videos from your SD card. It supports themes, share, sorting,
shows name and length of video. It remembers exit point of each video
and play all H264 + 3GP videos.
ACT 1 Video Player:is designed to play iPhone formats like 3gp, h263, and h264 baseline profile. It also claims to play some baseline MP4 files,
Arc Media Player:
Arc media player can support a wide variety of video formats, including
AVI, DIVX, MKV, MOV, MP4, RMVB, WMV, VOB and XVID. It’s still in beta,
but is widely appreciated by testers so far.
Vital Player: it's 5MB install can be automatically installed to your SD card. Sorry, VitalPlayer isn’t yet supported on Gingerbread.
Zimly Media Player:
Zimly was designed and crafted for your Android device. Zimly is an
easy to use, feature rich media player, wrapped in a beautiful custom
interface
So here is the list of 22 media player alternatives for your android smartphones. Hop you will like it...