Here is how you can create a player using your hosted MP4 video.
1. Go to Create Player. Enter a player Name. Select MP4 under Video Type. Copy your hosted MP4 video URL/link and paste under Link to MP4 video file field. In case you want a different video to be played on mobile devices copy the hosted MP4 video URL/link and paste under Link to MP4 video file to be played on mobile (optional).
2. Apply necessary Player Settings and click Save.