A free app for Android, by SpDigitalAppsZone.

The Nepali Grammar Book app is a free, offline, and comprehensive application for learning Nepali. The app includes a comprehensive grammar guide with an extensive collection of sample sentences, and exercises. It is designed for both beginner and intermediate learners.

The application will help you in learning various topics like nouns, pronouns, adjectives, verbs, idioms, synonyms, prefixes, suffixes, compound words, and sentences. It also includes a handy reference guide with a list of all the grammar rules and a detailed explanation.

This app is also designed to help you in improving your writing and speaking skills. It includes various tips and tricks that you can use to help you in achieving your goals.