I am using the MX player since I have started using android. MX player is most advanced feature and various options music and video player. The best part of this app is you can use this player as a audio player and video player both. Various decoder are available in the MX player with helps to play the media properly with respect to different hardware of phones. It also gives you various preferences like add subtitles, dual audio feature. Althrough I will refer every people this player because this is the best player in android. It is top downloaded player in Google Play Store also.
