Pop'n Pop version 2.07J (1998/02/09) likely represents a version of the game designed specifically for the Japanese market, as indicated by the 'J' in the version number. The date indicates this version's release timing. Further research is necessary to pinpoint the specific modifications and regional nuances that set this particular version apart.

Pop'n Pop (Ver 2.07J 1998/02/09)

Pop Flamer (protected)