It is the update confirmation application of the google calendar.Have not you felt that you wanted you to notify me of the update of the joint ownership calendar?In such a case, I notify you of update by this application by all means, and I am timely, and let’s refer to a schedule.- – – Operation method – – -Please register a calendar to notify you of than setting.Application goes to confirm the update of the calendar regularly.- – – Operation check model – – -XPERIA arc SO-01C(2.3.3)XPERIA arc (4.0.4)Nexus 7 (4.1)- – – Instructions – – -The application does not communicate to the InternetTo refer to calendar data synchronized in a terminalI recommend that I set automatic synchronization.