gistfile1.js

playground({

  create: function() {

    app.loadData(...);

  },

  ready: function() {

    app.loadImage(...);

    /* manually enter loader */

    app.setState(PLAYGROUND.LoadingScreen);

    app.loader.once("ready", function() {

      app.setState(Game);

      /* or load more images and bind another listener*/

      app.loadImages(...);

      app.loader.once("ready", function() {

      });

    });

  }

});