Information processing program, information processing apparatus, information processing system, and information processing method

In an information processing program, an information processing apparatus is caused to operate as: reading means reading a game program capable of being executed by any other information processing apparatus having a configuration different from that of the information processing apparatus and execution situation information indicating an execution situation at a given execution position of the game program; emulation means, by using the execution situation information, emulating the game program with starting at the given execution position; judgment means judging an execution situation of the game program to be emulated; and changing means, when it is judged that the execution situation of the game program satisfies a condition set forth in advance, changing an execution status of the emulation means.