The download of the app doesn't contain viruses or any kind of malware. G.Lix Soluções is the developer of G-Menu Demonstração that can be found in the Productivity category. The tool has been downloaded and installed by over 100 users and the latest release is dated Jan 6, 2015.
Google Play displays that this application is rated 4.4 by its users. It's free to download the installer of G-Menu Demonstração, also, you can have a look at users' reviews on Droid Informer. The app runs on Android 2.3 and higher.