Smartphone and tablet computer apps are seeing increasing use in Japanese schools as teachers look to capitalize on what has become many young people's preferred window to the world.
Artificial intelligence-assisted apps have become prevalent in education, particularly in subjects many Japanese teachers struggle to teach well.
One subject educators need help with is teaching English, a task that will become all the more important when speaking ability enters the joint achievement test in 2020, part of Japan's high-pressure university entrance exams.