Is that you want to launch some application or page from the current application ? If yes, below is how you can do it using Tizen application API.
The below sample code, launches the "https://www.tizen.org/" using the browser application.
var appControl = new tizen.ApplicationControl("http://tizen.org/appcontrol/operation/view","https://www.tizen.org/", null);
tizen.application.launchAppControl(appControl,null,
function(){console.log("launch appControl succeeded");},
function(e){console.log("launch appControl failed. Reason: " + e.name);},
null);