A point of clarification: "She's been dabbling in the tech field since the age of 60." Still impressive though! Also, the app isn't described until 3/4 into th

A point of clarification: "She's been dabbling in the tech field since the age of 60." Still impressive though! Also, the app isn't described until 3/4 into the article: "The app, based on the annual Japanese doll festival of Hina Matsuri, invites players to arrange 12 ornamental dolls --- representing the country's emperor, family and guests --- in a specific order."