A free program for Android, by Royal Craft.
CubeCraft Castle Adventure is a crafting game based in world building and building construction. The game is an endless world and a complete sandbox for you to build and explore. Explore and craft and create in a free world full of friendly and helpful players and NPCs.
The game will help you discover new materials and equipment to build and improve the world. You can place and mine different blocks to make a village, a dungeon or even a castle. And it will let you interact with other players to trade and fight with them.
The game will let you know when and where the monsters are and will help you in building a defensive structure to stop them.