English Grammar Basic Book is an Android educational app designed to help users learn the most important topics of English grammar. This app is perfect for everyone who wants to learn English, regardless of their level of proficiency. The app offers grammar lessons that cover Active or Passive Voice, Adjectives, Adverbs, Articles, Auxiliary Verbs, Conditionals, Conjunctions, Determiners, Idioms, Interjections, Introduction, Nouns, Phrases, Prepositions, Pronouns, Quantifiers, Question Tags, Reported Speech, Tenses, and Verbs.

In addition to grammar lessons, the app also covers English tenses, vocabulary, speaking English, reading comprehension, and writing English skills. The app is user-friendly, with simple explanations, a clear user interface, and a beautiful design. Users can track their progress through the app's total score and progress analytics. The app can be used offline, and it features colorful pictures that make learning more engaging. It is optimized for mobile and tablets, making it easy to use on the go.