Başka Video Çözüm is a free Android app developed by FERNUS EĞİTİM TEKNOLOJİLERİ A.Ş. that allows users to view solutions to book questions. The app provides solutions to all the questions in the book, and the missing solutions are updated in the app as they become available.

The app is a great resource for students who need help with book questions. It helps them understand the solutions to the problems in a clear and concise manner. The app is easy to use and navigate, making it accessible to users of all ages and skill levels.