The software Duett supports students playing music instruments with a piano accompaniment. In the focus there is not an adding of a virtuous piano player, but a very simple and clear accompaniment. So also inexperienced musicians as well as children are able to start immediately with practicing. You enter a chord chain text, select a piano style and a tempo.
According to the antivirus report, the app doesn't contain viruses or any kind of malware. Duett has been originally developed by Midimaster Software and it relates to the Educational category. The tool has been rated 3.4 on Google Play.