You are able to download the .apk setup package of CNA 3.0.1 for free and read users' reviews on Droid Informer. The file size doesn't exceed 2 MB and the app can be launched flawlessly on Android 4.4 and higher. The antivirus report shows that this application is totally safe for usage. Ordem dos Advogados do Brasil - Conselho Federal is the developer of the tool which can be found in the Productivity category.
CNA has been downloaded and installed by over 50K users and its latest release is dated Sep 6, 2020. The app has the overall rating 1.8 on Google Play.