An image forming apparatus includes a controller configured to provide a mobile terminal with download information, the download information being necessary information for causing the mobile terminal to download a first application into the mobile terminal and start up the first application in the mobile terminal, the first application being executed by the mobile terminal to send an instruction to the image forming apparatus, the first application being a part of a second application, the second application being operable as an independent application in the mobile terminal by being installed into the mobile terminal, and the first application being operable in the mobile terminal without being installed in the mobile terminal.