1. A control method for displaying an image executed by a processor included in an information processing device, the information processing device further including a camera, a memory and a screen, the control method comprising: capturing a camera image using the camera; receiving an application; extracting one or more content keywords that include a writer name or a type from the application; when a user operation of the information processing device is performed, acquiring display target object information, in which an identifier identifying a target object, image information of the target object, and one or more target object keywords of the target object are associated, from a server, the one or more target object keywords including an object name or an object type; updating display target object information stored in the memory using the acquired display target object information; determining whether the target object is included in the camera image by performing image recognition using the image information on the target object and the camera image; calculating a position of the target object on the camera image, based on the image information on the target object, when the target object is determined to be included in the camera image; determining whether the one or more content keywords and the one or more target object keywords included in the updated display target object information have a correspondence relationship, when the target object is determined to be included in the camera image; acquiring an image relating to the application from the memory; calculating a display position of the image relating to the application, based on the position of the target object, when the one or more content keywords and the one or more target object keywords are determined to have the correspondence relationship; and displaying the camera image and the image relating to the application on the screen, the image relating to the application being in a state of being superimposed onto the camera image, at the display position.