Easy to use 使いやすいです, 外国パスポートでもOK The app is easy to use. With an iPhone 13 mini it took me under 5 minutes to scan in the details of my My Number card and my UK passport. My vaccination details appeared instantly on the 3rd completion step and all was accurate. The interface is in Japanese but is perfectly clear. It might be helpful to have English toggleable in the interface because residents of