Leis 2021 is a free Android app developed by Edson Deda, which provides a comprehensive collection of legal information and references from the Brazilian Federal Senate. The app contains a vast library of laws, decrees, resolutions, and other legal documents that are distributed for free through the official website of the Brazilian Federal Senate.

With this app, users can easily access a wide range of legal information, including the Brazilian Constitution, Civil Code, Penal Code, and much more. The app also includes a search function that allows users to quickly find the information they need and bookmark their favorite documents for easy access later on.

Overall, Leis 2021 is an excellent vademecum app for Android users who need quick and easy access to legal information and references. It is perfect for law students, legal professionals, or anyone who needs to stay up-to-date with the latest legal developments in Brazil.