កណភសខមរ ថនកទ៤ is an educational and reference app available on Android. Developed by LENGPANHA, this app provides a comprehensive collection of textbooks and study materials for Cambodian students.

The app covers the curriculum for Grade 4, offering free access to textbooks and study materials in the Khmer language. It aims to support students and teachers by providing a convenient platform for learning and teaching.

Each lesson in the textbooks is carefully organized, starting from basic concepts and gradually progressing to more advanced topics. The app also includes new study techniques and strategies based on the latest educational trends.

LENGPANHA, the developer of the app, is committed to continuously improving the quality of the textbooks and study materials. They welcome feedback from students, teachers, and parents to make the app even more effective in enhancing learning outcomes.

Overall, កណភសខមរ ថនកទ៤ is a valuable resource for Cambodian students and educators, providing easy access to high-quality educational materials in the Khmer language.