Simplify the following text for a Grade 3 native English-speaking person.
Original: The exception to this rule is PokÃ mon Yellow , where players are given a Pikachu , an Electric-type mouse PokÃ mon , famous for being the mascot of the PokÃ mon media franchise ; unique to PokÃ mon Yellow , the three starter PokÃ mon from Red and Blue can be obtained during the quest by a single player .
Simplified: Like PokÃ mon Yellow , the player 's PokÃ mon can follow them .