https://www.gamespot.com/articles/pokemon-go-mew-and-research-quest-system-now-avail/1100-6457825/ >A big update is now available for Pokemon Go on iOS and Android. Niantic has rolled out the recently revealed quest system, which introduce new objectives to complete and more story elements to the mobile game. >Following the update, players can take on two different types of "research" quests: Field Research and Special Research. Field Research quests are distributed at PokeStops and challenge players with completing various tasks, such as taking part in battles or catching specific Pokemon.