The apps are made for those who are very weak in English grammar. Some of the topics discussed in a simple grammar book are: Alphabet, Word, Article, Number, Syllable, Gender, Gender, Antonyms, Synonym, ABBREVIATION, Person. Male), Spelling Words list, Phrase, Phrase and Idioms in Bangla, Vocabulary, Parts of speech, Noun (noun), Pronoun (pronoun), Adjective (adjective), Verb (verb), Adverb, Preposition, Conjunction (Conjunction preposition) , Interjection (Sentence), Sentence (Punctuation Mark)