Özgün Yayınları Karekod is an Android application developed by FERNUS EĞİTİM TEKNOLOJİLERİ A.Ş. It is a free app that allows users to scan QR codes to view question solutions. The app is designed to be used in conjunction with Özgün Yayınları educational materials.

The app's main feature is its ability to scan QR codes and display question solutions. This feature is useful for students who want to check their answers or for teachers who want to provide solutions to their students. The app is easy to use and provides a quick and efficient way to access question solutions.