Cartoleiro is an Android app that is the perfect companion for fans of the popular Brazilian fantasy game, Cartola FC. This app offers multiple accounts, allowing users to manage up to four different teams. The app allows users to follow their favorite teams and leagues without the need for login credentials. With real-time updates, users can monitor their team's progress, view player information, and track their team's standings in the championship. The app also provides notifications for market updates, goals, and assists. The ability to share partials with friends and create groups of teams is also available. Overall, Cartoleiro is an excellent app for any Cartola FC fan who wants to stay up-to-date with all the latest information.