PROBLEM TO BE SOLVED: To perform simple, efficient, interactive and pleasant guidance intelligible to a user not requiring complicated operation to the user for an action schedule change when an action schedule is changed halfway through a journey to a destination, and not requiring complicated arithmetic processing of a device.;SOLUTION: A control part 10 of a cellphone terminal generates the action schedule to the destination from a departure point, and makes a display control part 13 and a first display part 32 perform guidance display on the basis of the action schedule. When a discrepancy occurs between the action schedule and actual action contents, the control part 10 re-creates the action schedule in a background. When a traveling companion is present, the control part 10 makes a memory part 15 hold action schedules of the traveling companion and the user as a shared action schedule database, and adjusts the action schedule database according to the change when the change occurs in the action schedule of at least one of the user and the traveling companion.;COPYRIGHT: (C)2008,JPO&INPIT
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