1. An apparatus, comprising: a display controller circuit that controls display of a map and a plurality of marks on the map, each mark corresponding to a different image of a plurality of images, and each mark being displayed on the map at a position corresponding to location information of the corresponding image of the respective mark; a detecting circuit that detects a user input from a user, the user input being a continuous input on the map, sets a selection range of the plurality of marks on the map based on the user input, and determines a number of the plurality of images for reproduction of the plurality of images within the selection range according to a speed of tracing operation from the user input; and a reproduction circuit that reproduces the number of the plurality of images.