Competitive Pokémon is on phones now, but you still need a Switch to become a champion

The competitive Pokémon game Champions launched on Switch and Switch 2 in April, with a mobile version arriving in June, and both platforms share virtually the same gameplay thanks to cross-platform support. While any device can start battles, only a Switch can be used to qualify for the Pokémon World Championships, and the article notes no clear justification for this restriction.