Sichuan By Flag app for iPhone and iPad
In Sichuan Province with national flag, it is game to erase two cards in pairs.
Touching the national flag will tell you the country name, so you can learn the country name while playing.
Since there are about 200 flags, it will be replaced every time it starts up.
@Rule
1.You can also turn off the same tiles in cards.
2.The two tiles those in locations that you can tie a line of three or less.
3.Sooner the better time at the time it was all off the tiles.