Fen Bilimleri Video Çözüm is a free Android app developed by FERNUS that provides solutions to questions in science textbooks. The app is an excellent resource for students studying science subjects who may need additional help with their homework or exam preparation.

The app contains solutions to all the questions in the textbook, and missing solutions are updated as they become available. The app is easy to use and provides a straightforward interface for students to view the solutions to the textbook questions. Overall, Fen Bilimleri Video Çözüm is a useful app for science students who need quick and easy access to solutions for their textbook questions.