Cantos de Pássaros Brasileiros is a free Android app developed by BR Android Inc. for bird lovers. With this app, you can listen to Brazilian bird songs on your mobile device without the need for an internet connection.

The app offers a range of bird songs and lets you combine them with other sounds like a waterfall, campfire, stream, rain, guitar, and music. You can also set bird songs as your ringtone or notification tone. The app is a great way to experience the sounds of nature and enjoy the beauty of Brazilian birds. The interface is easy to navigate, and the app is free to download.