Simplify the following text for a Grade 7 native English-speaking person.
Original: Nintendo displayed PokÃ mon Snap at a PokÃ mon event called `` Pokemon League Summer Training Tour '' .
Simplified: PokÃ mon Snap is a first person rail shooter made by HAL Laboratory and published by Nintendo for the Nintendo 64 game console . It is about a PokÃ mon photographer who has to take pictures of all the PokÃ mon on an island .