Gramática Portuguesa Lições is an Android application designed to help students and individuals learn Portuguese grammar and improve their vocabulary. This app offers 46 lessons that cover various grammar topics such as punctuation, nouns, pronouns, adjectives, verbs, prepositions, interjections, and syntax. The app provides easy-to-understand explanations and examples to help users learn and understand the concepts easily.

One of the unique features of this app is that it offers lessons on both concrete and abstract nouns, common and proper nouns, and collective and derivative nouns. Moreover, it provides lessons on adjectives, their types, and their usage. The app also covers verb tenses, passive voice, and conjunctions.

Overall, Gramática Portuguesa Lições is an excellent app for anyone who wants to learn Portuguese grammar and improve their vocabulary. It is user-friendly and provides comprehensive lessons that are easy to understand and apply.