Simplify the following text for a Grade 8 native English-speaking person.
Original: Outside of the main series , Jigglypuff has appeared in PokÃ mon Pinball , PokÃ mon Snap , the PokÃ mon Mystery Dungeon games , and the PokÃ mon Ranger games .
Simplified: In the PokÃ mon video games , Jigglypuff is famous among players because it learns the move Sing , which puts enemy PokÃ mon to sleep .