code: def get_app_config(app_id):
      
      try:
          req = requests.get(
              ("https://clients3.google.com/"
               "cast/chromecast/device/app?a={}").format(app_id))
  
          return json.loads(req.text[4:]) if req.status_code == 200 else {}
  
      except ValueError:
          # If json fails to parse
          return {}
docs: Get specific configuration for 'app_id'.