A free program for Android, by PORO ZHŌNGWÉN.

This Chinese grammar app covers all 163 grammar points using clear explanations, real-life examples, and many tests. It is an app that is aimed at people who want to learn Chinese and improve their grammar. It is also useful for people who are interested in studying Chinese but cannot find the time to do so.

The lessons are divided into two levels: beginner and advanced. For each level, there are lessons that are categorized by topic. There are topics for nouns, verbs, articles, adverbs, and verbs. The lessons are easy to understand, and you can learn by reading and doing exercises. You can also check your progress and see your results.

The app has a function that allows you to mark your favorite lessons so you can easily go back to them. It is a great way to save your time and effort. You can also use the function that allows you to view your results and check if you have done well.

This Chinese grammar app will help you improve your Chinese. If you are a native speaker of Chinese, this app will also help you with Chinese structures. It will improve your grammar and make your writing and speaking better.

The app has a function that allows you to view all the lessons you have done. It is a great way to check your progress and see what you have learned.