gistfile1.js

// Very simple controller
var AboutController = function () {
    this.dispatch = function (route) {
        if (route.url == '/about') {
            return Template['about'];
        }
    };
};

// Init Router
var router = new Meteor.router({
    '/about': AboutController
});

var FrontController = function () {
    Meteor.autorun(function () {
        var currentRoute = router.currentRoute();
        var currentController = currentRoute.getController();
        var view = currentController.dispatch(currentRoute);
        // render view to template variable
    });
};