A free program for Android, by Ratha Sou.

The World Flags app provides information on the flags of all countries. Each country is represented by a unique icon, and you can learn about the history, achievements, cultures, and geography of each nation. You will also be able to view the current location of your country on a map.

You can view the flags in full screen and in high resolution. Apart from history and location, you will also learn lots of things about different nations such as their national anthem, population, and more.

The app has a very simple user-interface. Go get it now today!