Galaxy Defense is developed for people aged 14 and older, its average rating is 4.1 on Google Play. Pay attention to adverts and in-app purchases while installing the game. This application is often downloaded by Samsung and Lenovo users.
Download the latest .apk file of Galaxy Defense 1.8.4 free of charge and have a look at users' reviews on Droid Informer. You will need 39 MB of free disk space to set up the app which is designed for Android 4.0.3 and above.
Based on the users’ feedback, the app has some important advantages, they are a simple interface and quite a few bugs. From the users' point of view, the weak point of this application is obnoxious ads.