全国避難所ガイド, developed by 1st Media Corporation, is a free Android app in the Travel & Navigation category. This app serves as a comprehensive disaster prevention information tool, automatically searching for evacuation centers and sites around the user's current location. It provides various hazard maps, push notifications for disaster prevention information, and route guidance to facilities. With over 150,000 recorded evacuation sites and sites designated by local governments, the app ensures that the information is up to date. Users can register their current location and up to three other areas to receive push notifications for evacuation information and weather updates. The app also offers safety registration and confirmation functions, making it useful for evacuation drills and checking the safety of family members during disasters.