<script src="http://static.videoninja101.com/jwplayer/jwplayer.js"></script>

    <div id="mediaplayer"></div>

<script type="text/javascript">

jwplayer("mediaplayer").setup({

    id: 'player1',

    width: '320',

    height: '240',

    autostart: false,

    skin: "http://static.videoninja101.com/jwplayer/modieus.zip",

    image: "http://static.videoninja101.com/jwplayer/preview.jpg",

    modes: [

        {

        type: "flash",

        src: "http://static.videoninja101.com/jwplayer/player.swf",

        config: {

            provider: 'rtmp',

            streamer: 'rtmp://주소/vod',

            file: 'nut720.mp4',

            width: 720,

           height: 406}

        },

{

        type: "html5",

        config: {

                file: "http://주소/nut720.mp4"

        },

        provider: 'video'}

       ]

});

</script>

jw버전이 뭔지 모르겠으나 요것은 모바일에서도 잘되는것 같다.