Sosyal Bilgiler 4 is an Android app created by Orhan Demirdağ that contains all the information taught in 4th grade social studies, divided into 7 units. The questions are prepared according to the curriculum, and there are 4 activities included. When the activities are completed correctly, the button colors change.

This app is a great tool for 4th graders to learn social studies in an interactive way. It's also helpful for parents who want to help their children with their studies. The app is easy to navigate and the content is well-organized. Overall, Sosyal Bilgiler 4 is a useful and free app for anyone looking to improve their knowledge of 4th grade social studies.