Your Kizuna adapter does one thing at a time. Switch what it does from the app or this website. Here is what each mode does, how the pieces connect, and what you need.
Log in to see your Pokémon Bank and cloud saves, or flash a mode onto your adapter straight from the browser.
“Pokémon”, “Game Boy Advance” and “Nintendo Switch” are trademarks of their respective owners. Kizuna is an independent, unofficial accessory.