This app make use of AR technology to inform of Tsunami in Great East Disaster. This app make use of AR technology to inform and educate in an easily understandable fashion about disaster prevention. It uses as its basis the damage sustained by the central area of Great East Japan Earthquake disaster area. This app introduce the PAST, PRESENT & FUTURE of Great East Japan Earthquake disaster area through photos & storys. [ Functions ] 1.Town Walk Introducing the PAST, PRESENT & FUTURE of Great East Japan Earthquake Disaster area through photos 2.Tsunami Level Indicator displays the height of tsunami floodwaters from the Great East Japan Earthquake in your current location * Recommended terminal (main memory 2GB or more) iPhone: 6s, 6s Plus or later IPad: 5th generation or later IPad Air: iPad Air 2 or later IPad mini: iPad mini 4 or later IPad Pro: Compatible with all models IPod touch: Not applicable to all models