This app provides no functionality of it's own. It only exists here for the benefit of software developers who need to verify that a given device is capable of downloading apps with expansion files from Google Play.
Onyxbits is the creator of the app that is included in the Libraries & Demo category. The developer rolled out a new version of the tool on Sep 15, 2015 and over 50 users downloaded and installed Nullsport. Google Play displays that this application is rated 3.7 by its users.
Get the setup package of Nullsport 1.1 that is free and check out users' reviews on Droid Informer. The app is developed for Android 2.3 and higher. The download of the app doesn't contain viruses or any kind of malware.