Overview

• The download is live on the Japanese Switch eShop and on smart devices, with availability limited to Japan for now.
• Switch and Switch 2 users outside Japan need a Japanese Nintendo account to access the software.
• The experience is built for parent–child co-play, opening with a prompt to play together with an adult.
• Children interact by pulling or rotating Mario’s face, and a corner on-screen block provides items and other interactive objects.
• Hello, Mario! anchors the new My Mario ecosystem of toddler-focused books, toys and media from partners including Bandai, Happinet and Shogakukan, with wider release targeted for early 2026.