app.html

.
.
.
<link rel="import" href="../bower_components/app-localize-behavior/app-localize-behavior.html">
.
.
.
 <a name="view1" href="/view1">{{localize('hello','a','Batman')}}</a>
 .
 .
 .
  <script>

    Polymer({

      is: 'my-app',

      behaviors: [
        Polymer.AppLocalizeBehavior
      ],

      properties: {
        language: {
          value: 'en'
        }
      },

      resources: {
            value: function() {
              return {
                'en': { 'hello': 'My name is {name}.' },
                'fr': { 'hello': 'Je m\'apelle {name}.' }
              }
          }
      },

        page: {
          type: String,
          reflectToAttribute: true,
          observer: '_pageChanged'
        },

      observers: [
        '_routePageChanged(routeData.page)'
      ],

      _routePageChanged: function(page) {
        this.page = page || 'view1';
      },

      _pageChanged: function(page) {
        // load page import on demand.
        this.importHref(
          this.resolveUrl('my-' + page + '.html'), null, null, true);
      }

    });

  </script>