A free program for Android, by FazeCat.

Paladog is a new defense game that is both strategic and action-packed. As the leader of a small group of warriors, you will need to go on an adventure to fight against the enemy. Your warriors will be armed with various weapons, such as swords, spears, axes, etc. The enemy is a large group of evil creatures that will try to destroy your group. You will need to defeat the enemies to save the innocent critters. 

The story will take you on an adventure in the future where you will fight against the devil group. There are different game modes, including the survival mode where you can play with your added Facebook friends.