Explore 249 countries and 50 U.S. states with realistic flags and national anthems. Tap to play anthems, double-tap to link to Wikipedia. Use gesture controls to navigate the 3D . View time zones and country information in multiple languages.
by Chien-Yuan Chen★ 4.3177 ratingsEducationFreeData updated 2026-09-08
The app presents 110 famous operas from Baroque to the 20th century, featuring 48 composers. Each opera includes a stage photo, composition year, premiere details, a synopsis, and videos from YouTube.
Test flags from different regions with customizable question counts and time limits. Receive instant feedback on answers. Track progress through simple and intuitive gameplay. Learn geography through interactive quizzes.