Get the setup package of Buku PKn SD 3 1.0 that is available for free and take a look at users' reviews on Droid Informer. The app is designed for Android 3.0 and above. It's safe to download this application. Gugusan Ilmu is the developer of the tool which can be found in the Educational category.
The latest release was on Oct 31, 2016 and Buku PKn SD 3 was downloaded and installed by over 10K users. Google Play displays that the app is rated 4.3 by its users. This application contains adverts.