TB Atlas & World Map is a free Android app developed by Topobyte.de that offers a browsable map of countries and big cities worldwide. This app is an excellent reference for those who love to travel and explore new places. You can easily find countries and cities with the search option and explore the map offline.

The app displays comprehensive information about the countries, including their flags, population, and currency. You can also access Wikipedia links from countries and cities to learn more about them. The app also features a quiz section where you can test your knowledge of country flags and other information. With different map themes, you can customize your experience and choose the one that suits you best.

Overall, TB Atlas & World Map is an excellent app for travelers and geography enthusiasts. Its offline capabilities and comprehensive information make it a must-have for anyone who loves to explore new places.