A free app for Android, by Prisha App World.

SX Video Player – Full Screen HD Video Player is a powerful player for Android devices. This app is designed to be easy to use with its friendly interface, everyone who downloads the application will surely be able to know how to utilize it!

This is a good application as it supports almost all the video formats that most of the phone built-in players doesn’t have. Aside from that, you can play a stable and fast video here with a high quality  video and audio definition that the viewers would really like and enjoy.

Take note that you can also download videos through this and can even store and make these hidden in your private folder.