These Pokemon ROMs also adapted an application which in itself led to 1 billion app downloads worldwide for Android and iOS devices. It inspired the production of an anime series, movies, and much demanded merchandise. Pokemon is also the most successful media franchise. Second, only to the Mario ROMs, these ROMs are Nintendo’s best-selling video games franchise, selling over 300 million copies worldwide across 76 titles. These Pokemon ROMs were also issued to encompass other genres, such as action, puzzle-solving, fighting, and digital pet games. The games were released in pairs with slight variations and were the main in the series of role-playing video games (RPGs). Nintendo and The Pokemon Company published Pokemon video games as part of the Pokemon media franchise.