Interesting Facts Library is an Android application developed by Emre Ay, available for free in the Education & Reference category. With this app, you can learn new facts about five different categories, including Animals, History, People, Technology, and Cars.

The app provides a bookmark feature that allows you to save your favorite facts and easily access them later. You can also share the facts with your friends on social media platforms. One of the most significant advantages of this app is that you don't need the internet to use it, as all the facts are stored offline.

Overall, Interesting Facts Library is an excellent app for those who love to learn new things. The app is user-friendly, and the interface is straightforward to use. The developer promises to keep updating the app with new facts, and your feedback is always welcome.