O Sebo is an Android application that offers a platform for buying and selling used books. Developed by Robson S. Ribeiro, this free app falls under the category of Education & Reference and specifically under Books.

With O Sebo, users can easily search for books they want to buy and also post books they want to sell. The app provides a simple and user-friendly interface that allows users to manage their buying and selling activities. Users can create an account, add books to their wishlist, and keep track of their orders.

Overall, O Sebo is a convenient and useful app for book lovers who enjoy buying and selling used books. It's a great way to save money and also contribute to sustainable living by giving a new life to pre-owned books.