Provided herein is a mobile electronic apparatus or a control method of the mobile electronic apparatus, the mobile electronic apparatus including an operating unit for performing a character input operation, an acquiring unit that acquires a photographed image of a subject, an analyzing unit that analyzes the photographed image acquired by the acquiring unit and extracts character information contained in the photographed image, and a control unit that detects an input operation as a character input operation when the input operation is performed with the operating unit while the photographed image is being analyzed by the analyzing unit. Accordingly, detecting an input operation in the operating unit as entering characters even during an analysis in the analyzing unit makes it possible to use time efficiently.