The information processing device of the present invention includes: a display portion that displays objects that respectively performed a function assigned in advance by being selected; an operation portion that inputs operation information to select one of the objects; and a control portion that displays supplementary information linked to the object on the display portion, based on the operation information. The control portion, based on predetermined conditions, performs a first process to display first supplementary information on the display portion. If operation information is not newly input during a prescribed period of time after the first process is performed, the control portion performs a second process to acquire second supplementary information and display the second supplementary information on the display portion.