Hello dear player! This is a funny game,or,if you want,a tool for learning. Usually,Each country has a capital city and Each capital city belongs to a country. What if we mixed those countries and capitals together, could you find out which country a capital belongs to? That is what this app did. Whose features include: ● Innovative operation mode In contrast with other existent methods of examination,such as true-false,multiple-choice and cloze,this app is based on a more efficient way named matching. With a phone-optimized interface,all operations become intuitive and easy. ● Massive and precise data. We collected authoritative data of 200+ countries and regions of the world. And we made those data into thousands of questions. ● Reasonable hardship Problems's hardship was carefully adjusted from easy to hard. Give you enough time to adapt to the growing hardship. ● Learn from failure This app not only examines what you know,but also help you get new knowledge. You can get hints on what was wrong when you fail in a round of game. If you complete all levels you will become an expert on the correspondence between capitals and countries. ● Beautiful interface Every national flag was well designed. Every image of capitals was attentively picked. 4 good-looking 3D backgrounds appears in a random way. ● Nice Music We picked 9 most popular national anthems as background music. Each one of them was performanced with suitable instruments.