"Learn English Grammar - Lessons and Tests" by PORO Technology Solutions Joint Stock Company aims to provide comprehensive tools for language learners. This English grammar app covers 163 grammar points with clear explanations, real-life examples, and various tests to enhance your English grammar skills. A standout feature includes tips to help users grasp grammar nuances, differentiate between similar grammatical concepts, and apply them in real-world scenarios.

Whether you are a non-native English speaker or a native looking to excel in exams like TOEIC, IELTS, or TOEFL, this app is tailored to improve your English structures, subsequently enhancing your writing and speaking abilities. Users can study grammar through structured lessons based on difficulty levels or categorized by topics such as Tenses, Nouns, Verbs, Articles, and more.