def getWindow(self):
        """ Returns the title of the main window of the currently open app.

        Returns an empty string if no match could be found.
        """
        if self.getPID() != -1:
            return PlatformManager.getWindowTitle(PlatformManager.getWindowByPID(self.getPID()))
        else:
            return ""
Returns the title of the main window of the currently open app.

        Returns an empty string if no match could be found.