To purchase a (plus Expansion Pack ) membership or other Nintendo products using your phone, you can use the official mobile apps or the Nintendo website. How to Buy via Phone
: By default, memberships auto-renew. You can disable this in your Nintendo Account settings on your phone. nintendo plus phone buy
: You can browse consoles, accessories, and games directly on this app. When you're ready to buy, the app links you to the My Nintendo Store to complete your purchase. To purchase a (plus Expansion Pack ) membership