Quina Fechamentos is a free Android app developed by José Carlos de Jesus Teixeira, which aims to increase the chances of winning in the Quina lottery. The app provides tools such as Fechamento, Desdobramento, and Redução for this purpose. With a limit of 20 numbers, the app offers a variety of Fechamentos to choose from. The user can select their desired numbers, percentage of chances of winning (from 75% to 100%), and the minimum number of hits they wish to achieve. Additionally, the app allows users to fix their chosen numbers by tapping them twice.

Overall, Quina Fechamentos is a useful app for those interested in increasing their chances of winning the Quina lottery. The app is compatible with Android 9.0 and is easy to use, making it accessible to all. However, it should be noted that the app only provides tools for increasing the chances of winning and does not guarantee a win.