Original: PokÃ mon Emerald , a special edition version , was released two years later in each region . These three games ( PokÃ mon Ruby , Sapphire , and Emerald ) are part of the third generation of the PokÃ mon video game series , also known as the '' advanced generation '' .
Simplified: PokÃ mon Ruby and Sapphire had a remake called PokÃ mon Emerald , which changed a few things , and added a Battle Frontier .