Hanzi Study is an Android app developed by LC Studios that aims to help non-native speakers learn and master Chinese characters. The app boasts a collection of over 2600 Hanzi characters based on HSK character list, which is China's standardized exam for testing and rating Chinese language proficiency.

The app features a user-friendly interface that sorts Hanzi characters by HSK level into manageable study lessons. Moreover, the app has a fast dynamic search function and is text-to-speech enabled to help users hear the correct pronunciation. The app also displays radicals that show the root meaning of Hanzi characters and stroke animations to help users understand the character's writing system.

For those who want to test themselves, the app offers a flashcard feature and progress tracking. The app is free to use, but users can upgrade to unlock additional features. Overall, Hanzi Study is a great app for anyone looking to learn and master Chinese characters, especially those who are preparing for the HSK exam.