According to the antivirus report, Bibliotecas USP doesn't contain viruses or any kind of malware. Universidade de São Paulo has designed the tool that lies within the Educational category. This application was downloaded and installed by over 10K users and the latest stable release was on Jun 5, 2018.
The average user rating of the app is 3.8. A free .apk installation package of Bibliotecas USP 2.2 is available from Droid Informer and you can take a look at users' reviews on this site. Prepare 5 MB of free space on your device for this app installer and keep in mind that it requires Android 4.0.3 and above.