Biblioteca de Leis is an Android app designed to provide citizens with access to the primary Brazilian laws, including those governing labor (CLT), consumer protection, civil code (new and old), S/A lawsand others), civil procedure code), traffic laws, transportation laws, public administration laws, 8.112, and others), the elderly statute), administrative impropriety law, and the complete Brazilian constitution.

The app includes the CLT change law, L13467, and has added new laws and constitutional changes. It also features a new section on the minimum wage. The documents presented in the app do not replace the version published in the official gazette.

Biblioteca de Leis is a simple and easy-to-use app that serves as a reference tool, not an official source of information. The app has been recently updated with new content and a quiz for learning purposes.