HELLO FRIENDS, I sharing my personal experiance on mx player I have this and I use this for watch full screen videos on android mobile.
The mx player can play almost every video format one encounters.
It is the best video player on android ios and windows 10 I have literally uninstalled all other videos.
The list of most downloaded google play applications includes most of the free apps and its very usefull for video watching I useing this and I very like this we can watch movies and other videos adjesting screen and difront types players.
I recommend this for every person whos like video watchings!
Thanks