A portable game machine 60 includes a detachable transparent film 62, a base film 63, and reels 64a, 64b, and a reflective liquid crystal panel 8 which is sandwiched in between, with the transparent film 62 in front of, and the base film 63 in back of the reflective liquid crystal panel, which is supported in a housing 4 to display images. In the portable game machine 60, menu options, icons, and other auxiliary information is depicted on the transparent film and the base film, etc. By manipulation of an operation unit, instructions are given by moving an arrow, etc. displayed on the reflective liquid crystal panel 6. Auxiliary information corresponding to multiple scenes is depicted on the transparent film 62 and the base film 63, and the auxiliary information that is displayed in a display unit 61 is changed by rotating the reels 64a, 64b to scroll the transparent film 61 and the base film 63.