Carteira de Vacinação Digital is a free Android app developed by Jakson Souza, aimed at managing vaccine information in an organized way. With this app, you can avoid the risk of losing important information, unnecessary expenses for revaccination, and keep track of all the necessary vaccines with helpful notifications.

The app provides an easy-to-use platform that allows users to input their vaccine information and keep track of their upcoming vaccinations. The app also provides a reminder system that notifies users when it's time for their next vaccination. Overall, Carteira de Vacinação Digital is a useful tool for anyone who wants to keep their vaccine information organized and up to date.