Here are a few apps that can come in handy in various situations:
Notifications will be sent to your mobile phone when a hazardous situation occurs such as natural disasters (heavy rains, typhoons, earthquakes, tsunamis, etc.) in Japan.
You can watch news and programs provided by NHK-WORLD JAPAN in multiple languages by downloading this app to your mobile phone.
NHK News, bōsai – News and disaster information
VoiceTra – Multilingual voice translation app
Zenkoku hinanjo gaido –Guide to emergency evacuation shelters
San āru – Garbage separation app