DEVICE, METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To improve the operability of a lock-release operation.SOLUTION: A device (e.g., smartphone) 1 comprises: a touch screen display 2 that displays a lock screen; and a controller 10 that releases a locked state when a gesture to change a distance between a first touch and a second touch on the touch screen display 2 is detected in the locked state.