Extensive Guidebook
This is an android app available on Google Play Store and has information about almost everything you know, and you do not know.
This is an android app available on Google Play Store and has information about almost everything you know, and you do not know.
This app contains information about a great number of subjects such as history, science, geography, health, and general knowledge, etc.
Few swipes of this app will enable you to increase your knowledge regarding anything you need as it contains an extensive collection of facts and figures.