A free program for Android, by 99 Dictionaries: The world of terms.
This dictionary is an offline dictionary that helps you learn the most important words and their meanings in the most convenient way. It contains a lot of information about the most popular cats, and you can learn about each of them in detail.
The app is very easy to use. Simply press the button to display a list of all the categories, and then you can select one of them. After that, you will be taken to a page that contains all the terms that are contained in that category. The other important thing that you can do is to click on the word that you want to know more about.
The information is very easy to comprehend, and you can learn a lot of things from it.
