Ditto Leapfrog is a single-player casual and arcade game in which players control Ditto to catch fish Pokémon thrown by a Kingler Pokémon. The core mechanics involve moving Ditto left or right to bounce fish Pokémon into the water, requiring quick reflexes and timing. In this game, players use the e-Reader cards for Ditto, Granbull, and Snubbull to activate gameplay, with the main focus on catching fish Pokémon to score points and avoid missing three to end the game. It stands out with its unique use of the e-Reader technology, combining physical cards with digital gameplay, and features a simple yet engaging mechanic that emphasizes timing and precision, set within a playful Pokémon-themed environment.