Simplify the following text for a Grade 3 native English-speaking person.
Original: A major aspect of this is developing and raising the player 's PokÃ mon by battling other PokÃ mon , which can be found in the wild or owned by other Trainers . This system of accumulating experience points and leveling up , characteristic and integral to all PokÃ mon video games , controls the physical properties of the PokÃ mon , such as the battle statistics acquired , and the moves learned .
Simplified: Like PokÃ mon Yellow , the player 's PokÃ mon can follow them .