Korean Test, Practice, and Exercise App is an Android app developed by Language Test Studio. The app is available for free and falls under the category of Education & Reference. With over 10,000 test lessons and questions available, this app offers a comprehensive way to learn the Korean language.

The app provides Korean tests, practice exercises, and lessons for beginner, intermediate, and advanced levels. It also works offline, allowing users to study and practice anytime and anywhere. The app saves the user's score and progress analytics, allowing them to track their learning journey.

Overall, Korean Test, Practice, and Exercise App is a great tool for anyone interested in learning the Korean language. It offers a wide range of features and exercises that are sure to help users improve their language skills.

Please note that the app's developer information and contact details have not been included in this review, as per the guidelines.