ViennaSoft's 8. Sınıf Ders Notları ve LGS is an Android-based application designed for 8th grade students. It offers online tests, lesson notes, and video tutorials for Turkish, Mathematics, Science, Social Studies, English, and Religious Culture and Ethics courses.

The app allows students to solve tests and perform operations on questions by clicking the pen button. Once the tests are completed, students can learn their scores and the number of correct and incorrect answers. The app features video tutorials that provide comprehensive explanations of the course materials, making it easier for students to understand the concepts.

Overall, ViennaSoft's 8. Sınıf Ders Notları ve LGS is a comprehensive and user-friendly application that can help 8th grade students prepare for their exams and improve their academic performance.