Mew ( ã ã ã , Myuu ) is a fictional character from the PokÃ mon franchise . In the PokÃ mon video games , it is a Psychic-type secret PokÃ mon that was discovered in the first group of PokÃ mon games : PokÃ mon Red and Blue , Green , and Yellow . Mew appears in the PokÃ mon Adventures series of PokÃ mon manga .