Abstract: According to an aspect, a mobile electronic device includes: a display unit, an operating unit, and a control unit. The display unit for displays a character input screen including a part of a plurality of soft key objects each associated with a process in a line. The operating unit receives input of an operation. Upon detecting a changing operation through the operating unit, the control unit changes arrangement of the soft key objects such that at least one of the soft key objects that has been displayed is not displayed and at least one of the soft key objects that has not been displayed is displayed.

Abstract: According to an aspect, a mobile electronic device includes a display unit, an operating unit, and a control unit. The display unit displays a lock screen in a first locked state. The operating unit receives an input of an operation. The control unit cancels the first locked state when an input of a first operation is detected through the operating unit while the lock screen is displayed on the display unit, and enters a second locked state when an input of a second operation is detected through the operating unit while the lock screen is displayed on the display unit.

Abstract: According to an aspect, an electronic device includes a display unit, an operation unit, and a control unit. The display unit displays a screen corresponding to an application during execution thereof. The operation unit is operated in order to input a character. When an operation for a character input is performed through the operation unit while the screen corresponding to the application is displayed on the display unit, the control unit displays an input character on the display unit while maintaining a state in which the screen corresponding to the application before the character is input is displayed.

Abstract: Provided is a mobile electronic device capable of reflecting a user's intention. While an initial screen (100) for waiting for an incoming-call is being displayed on an LCD display unit (21), a control unit (45) performs control so that a first type character display area (101) and a second type character display area (102) are displayed on the LCD display unit (21) in place of the initial screen (100), wherein the first type character display area (101) is an area for, when any of first keys is depressed, displaying a first type character (for example, a number such as “1”, “2”, “3”) assigned to the depressed first key and the second type character display area (102) is an area for displaying a second type character (for example, “a”, “i”, “u”, etc. in Japanese Hiragana letter) assigned to the depressed first key.