Here's how you can download the Hero Defense : Kill Undead app free for Android devices.
1. Go to the Google Play page for the free app Hero Defense : Kill Undead.
2. Tap the Install button.
Here's a description of Hero Defense : Kill Undead:
"Night falls, the Undead Legion launches attack against the world.
Hero, pick up your weapons, defend your own home and wipe out the enemies!"