MOBILE DEVICE THAT ENSURES FUNCTION EXTENSION OF IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND RECORDING MEDIUM

摘要

A mobile device (50) includes an operation unit (51), a display (52), an operation screen display (57b), and a function execution unit (57c). The operation screen display (57b) displays an operation screen to operate the image forming apparatus (30) on the display (52). The function execution unit (57c) performs a function other than a function executable by the image forming apparatus (30) alone and a specific function performed using the image forming apparatus (30). The function execution unit (57c) performs the specific function according to an operation to an operation part in the operation screen displayed on the display (52) via the operation unit (51).