T-test is a free Android application developed to help students prepare for the National Exam in Mongolia. The app provides users with two types of tests to practice for the exam, which include questions from six different categories such as Mongolian language, law, history, IQ, computer, and general knowledge.

The app is compatible with Android 9.0 and can be used offline. It offers over 3,500 questions and allows users to track their progress and performance. With T-test, users can prepare for the exam at their own pace and convenience, and it provides a great resource for those looking to improve their knowledge and skills.

Overall, T-test is a great app for anyone preparing for the National Exam in Mongolia. It is easy to use, informative, and provides a wide range of questions to practice with. With its offline capabilities and user-friendly interface, this app is a must-have for anyone looking to succeed on their exams.