Check how many <a href="http://yucata.de">Yucata</a> games are waiting for your move. With Yucata Envoy you can check on yucata.de how many games are waiting for you to make your next move in. On Android version Lollipop (5.0) and later, a background service can be configured to check periodically and send notifications. A Yucata account is a prerequisite to use this apps functionality.