What is the English Grammar Test application, how does it work?

According to the introduction of Truat'ss, English Grammar Test is a Education app on the Android platform. There is currently a 3.0.0 version released on Mar 17, 2020, you can see the details below.

English grammar is a basic skill that every English learner should learn carefully. This app gives you over 5000 English grammar test practice questions . Clear explanations for each answers. The explanations help you to refresh your knowledge about your tested topic