It is called regularly by a system and works in a backgroundand transmits position information acquired with GPS by an email.When GPS is not effective, the email is transmitted.Ver.2.4.0Added a setting to send the URL only, Twitter for.Ver.2.3.010 seconds to wait for the GPS measurements.Timeout to 30 seconds with a mail server.Ver.2.2.0Because GPS worked when it was necessary, there became few battery consumptions.3 minutes were added in the interval of the email.Ver.2.1.5Supported Android 1.6Ver.2.1.0Bug Fixed.