– This hack follows the anime episode-by-episode. You catch a disobedient Pikachu, meet the Squirtle Squad, and even play Ash’s sad flute for the ghost Marowak.
While not a direct remake of the Indigo League, several official games are available for free on the Google Play Store : Pokémon Quest
Follow Ash's (Red's) path through all 8 Kanto gyms to the Indigo Plateau.