| 摘要 |
Disclosed is a portable information processing device which can improve convenience by reducing an operational burden resulting from a selecting operation of the user. A control portion (18a) of the portable information processing device (1) selects, at least on the basis of that an external display device (5) is connected and a prescribed application is being started, a second mode from a first mode causing an external display device to display the same data as the data displayed on an built-in display portion (10) and the second mode causing the built-in display portion to display data different from the data displayed on the external display device. |
