XYZ Player is a video player that comes with a very simple interface and lets you play any video file saved on your smartphone in the following formats: mp4, mkv, m4v, mov, flv, avi, rmvb or rm, among others. You can also stream videos from the most popular protocols.
XYZ Player doesn’t include a bunch of features. In fact, it lacks tons of configuration options, but it does stand out for its size (less than 10 mb) and the fact that you can play videos stored locally or stream them directly.