Make up missing getters and metrics; Update VLC scripts; Start to work on Chrome, update examples instructions

desktop_env/controllers/python.py

@@ -228,6 +228,13 @@ class PythonController:
         else:
             raise Exception(f"Unknown action type: {action_type}")
 
+    # Additional info
+    def get_vm_platform(self):
+        """
+        Gets the size of the vm screen.
+        """
+        return self.execute_python_command("import platform; print(platform.system())")['output'].strip()
+
     def get_vm_screen_size(self):
         """
         Gets the size of the vm screen.
@@ -262,6 +269,7 @@ class PythonController:
             logger.error("Failed to get wallpaper. Status code: %d", response.status_code)
             return None
 
+    # VLC
     def get_vlc_status(self, host='localhost', port=8080, password='password'):
         url = f'http://{host}:{port}/requests/status.xml'