World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities. With updated, complete and detailed information about a country, you will have enough information for your purpose: study, travel, teaching. All feedbacks please send to fpmi. Developer@gmail.
This application is completely safe to download. The app has been originally designed by FPMI and it refers to the Educational category. World Factbook has been downloaded and set up by over 1K users and its latest update is dated Jan 14, 2015.
Users rated the tool 4.3 on Google Play. Advertisements are a part of this application. It's free of charge to download the installer of World Factbook, also, you can have a look at users' reviews on Droid Informer. The app runs on Android 3.0 and above.