To apply data processing to game information contents on the basis of program information having compatibility and to expand a game reproducing function on the basis of an existent data processing part.

Portable terminal equipment 100 for applying data processing to the game information contents on the basis of the prescribed program information is provided with: an operating part 4 to be operated to input game information contents D1 and program information D2' having compatibility; an information converting part 1 for covering the compatible program information D2' which is inputted by the operating part 4 to program information D2 to which the data processing can at least be applied on the basis of program information D0 for conversion; and a data processing part 35 for processing the game information contents D1 on the basis of the prescribed program information D2 converted by this information converting part 1 and operation information D3 of the operating part 4.