The app displays hazard map information for Kawaguchi City, Saitama Prefecture. It shows flood inundation, seismic intensity, building damage risk, and evacuation sites.
The app offers approximately 3000 world history questions, including 2800 one-answer questions and 230 multiple-choice questions. It also includes a chronological memorization feature for important events and information on treaties and wars.
Practice exam questions through repeated drills to reinforce memory. Answer until correct, review incorrect questions only, and track recent performance history. Mark important problems for later review.
