Simplify the following text for a Grade 3 native English-speaking person.
Original: Players can search for any PokÃ mon which they have seen in the game and offer their own ; if another player is offering the requested PokÃ mon and is looking for the offered PokÃ mon , the trade occurs immediately .
Simplified: The player starts the game with one PokÃ mon , and catches more PokÃ mon using PokÃ Balls . The player can also use his\/her PokÃ mon to battle other PokÃ mon. .