function bringApplicationToFront() {
  //here I would use tizen.power.turnScreenOn():
  tizen.power.request("SCREEN", "SCREEN_NORMAL");
  var app = tizen.application.getCurrentApplication();

  //app is launched just in case it is currently in background
  tizen.application.launch(app.appInfo.id, () => {
    tau.openPopup("pageToShow");
    tizen.power.release("SCREEN");
  }
}