हिन्दी व्याकरण (Hindi Grammar) is a free Android app developed by Sarkari Course that covers all topics related to Hindi grammar. The app provides detailed explanations of Noun, Pronoun, Adjectives, Verb, Idioms, Synonyms, Prefix, Suffix, Compound, Tense, Sentence, Punctuation, Decking, Factor, and more with examples. It is an excellent study material for students preparing for exams like UPSC, CSAT, MPPSC, PSC, SSC CGL, SSC CHSL, IBPS PO, IBPS CLERK, and other government and PSU entrance exams.

The app is well-structured and easy to navigate. It includes topics like the history of Hindi grammar, Hindi language grammar, and different types of figures, gender, and tense. The content of the app is comprehensive and covers all the essential topics needed to learn Hindi grammar. Overall, हिन्दी व्याकरण is a great app for anyone looking to improve their Hindi grammar skills.