test sensor_detection

<script class="cssdeck" src="//cdnjs.cloudflare.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>

function is_touch_device() {

    return !!('ontouchstart' in window) || !!('onmsgesturechange' in window);

};

$(document).ready(function() {

    if (is_touch_device()) {

        alert('portable');

    } else {

        alert('desktop');

    }

})