After the Great East Japan Earthquake, the needs of Tsunami evacuation drill has been increasing and a mobile application "Nige-Tore" was developed. It simulates the damage of Tsunami in the route of evacuation to assess whether the evacuation was successful. This study analyzes the impacts of the application on participants through evaluating its usability in Tsunami evacuation drill in Sakai city, Osaka Japan. As a result, the participants evaluated overall positively about their experience using the application. Also, their evaluation was depending on the result of the assessment of their Tsunami evaluation route which was indicated by the application.