Sinalário em Libras is an Android application developed by Bilingua Consultoria that aims to promote and teach Brazilian sign language (Libras) to deaf students. The app was created to address the difficulty that deaf students face in learning and communicating effectively.

The developers have taken a different approach to teaching sign language by making it attractive, simple, and fun. Gamification and teaching metrics are used to support the learning of Libras, with the app's content aligned with the Brazilian National Common Curricular Base (BNCC). The app also promotes deaf culture, making it more than just a language learning tool.

Overall, Sinalário em Libras is an excellent educational and reference app that provides an innovative solution to the challenges faced by deaf students in learning sign language.