Mobile electronic device and recording medium

A computer-readable recording medium having stored therein a key display program for a mobile electronic device that comprises:

• a display that comprises a touch panel function, and a processor that displays a key on the display, the key display program causing the processor to execute a process comprising:
• when displaying an operation key group in which a plurality of column key groups each including a plurality of keys in a column are arranged side by side on the display, displaying in a switchable manner a first arrangement of the keys in which the keys in the operation key group have the same width and a second arrangement of the keys in which a predetermined key or keys in a column key group arranged between a right-side column key group and a left-side column key group in the operation key group have a larger width than the keys in the right-side column key group and the left-side column key group.

A computer-readable recording medium having stored therein a key display program for a mobile electronic device that comprises:

• a display that comprises a touch panel function, and a processor that displays a key on the display, the key display program causing the processor to execute a process comprising:
• when displaying an operation key group in which a plurality of column key groups each including a plurality of keys in a column are arranged side by side on the display, displaying in a switchable manner a first arrangement of the keys in which keys in the operation key group are arranged one for each and a second arrangement in which a right-side column key group in the operation key group is arranged on the right side of a display area and a left-side column key group in the operation key group is arranged on the left side of the display area and a predetermined key or keys in a column key group arranged between the right-side column key group and the left-side column key group are arranged both on the right side of the display area and on the left side of the display area.