It's secure to download the app. Einheit B is the developer of Cavernaut which can be found in the Arcade Games category. Over 1K users downloaded and set up the game and the latest release was on October 12, 2015.
Users rated this application 4.6 on Google Play. It's free to download the installer of Cavernaut, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 4.1 and higher.