PublishAir UG is the developer of W17 that can be found in the Lifestyle category. Over 10 users downloaded the tool and the latest update was released on Dec 17, 2014. Users rated this application 4.6 on Google Play.
It's free to download the installer of W17, also, you can have a look at users' reviews on Droid Informer. The app works fine on Android 4.0 and higher. The download of the app doesn't contain viruses or any kind of malware.