Today, Trainers will be able to enjoy a variety of new content in Pokémon Rumble Rush. Over 100 new Pokémon will be added including Alolan Raichu and Golisopod. Players can also look forward to the Legendary Pokémon Mewtwo, included as a special gift in this update. In addition, new Pokémon Power Gears will be added that increase the CP of specific Pokémon. Check out the new Grappler Power Gear which causes your Pokémon to deal more damage the closer it is to its foes!
Source: The Pokemon Company