Pokémon Unite will allow cross-play between 3 platforms

Pokémon Unite
Release Date: Jul 20, 2021
Official Website: Link
Also known as:
  • Pokemon Unite
  • Pokémon UNITE
Supported game modes:
  • Multiplayer
  • Co-operative
Supported player perspectives:
  • Bird view / Isometric
Crossplay platforms:
Pokémon Unite will support cross-play across multiple platforms. It will be possible to play together with your friends on Nintendo Switch, iOS and Android. Please check out all the details on the game's official website!
Cross-Platform Combination Details:
Source: Link
Additional Info: From its first reveal, Pokémon Unite has emphasized crossplay across mobile and Switch versions will be supported. That said, the Nintendo Switch version is slated for July 21, while mobile devices won't be receiving Pokémon Unite until September 2021.
Summary:
Team up and take down the opposition in Pokémon’s first 5-on-5 strategic team battle game! Join Trainers from around the world as they head for Aeos Island to compete in Unite Battles! In Unite Battles, Trainers face off in 5-on-5 team battles to see who can score the most points within the allotted time. Teamwork is key as you and your teammates defeat wild Pokémon, level up, evolve your own Pokémon, and work to prevent the opposing team from scoring points. Put your teamwork to the test, and take home the win!
Screenshots:
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Artworks:
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Pokémon Unite is also known as:
  • Pokemon Unite
  • Pokémon UNITE
Supported game modes:
  • Multiplayer
  • Co-operative
Supported player perspectives:
  • Bird view / Isometric