A free program for Android, by GaramChat.

A simple and handy movie player that supports many formats, so you can watch movies from your phone, tablet, or even PC. The best part is that it is free, so you can try it and see how it works for you.

To start using the app, open the main window and choose a file from the list. Then, press the play button and it will start playing. If you want to stop the playback, press the pause button. You can also add a subtitle to the current movie. To do that, choose the subtitle from the list and click the add button. 

Now, you can also set the playback speed. To change the speed, click the speed button and you can choose from there.