Can I use a game account created in Pokémon Champions to play Pokémon Champions Junior? Yes, you can.Please launch Pokémon Champions Junior using the “User” linked to the same Nintendo Account. Related articles How is Pokémon Champions Junior different from Pokémon Champions? I’m having connection or login issues How do I transfer my account when changing mobile devices? Can I link a child Nintendo Account to Pokémon Champions? What are the mobile device compatibility requirements?