Click the scene and you can move the camera around with WASD, use the mouse scroll to zoom in and out, click in the top left corner item to set the villagers' functions.
But, yet, it's not playable, it consumes more resources than you can produce and the faith system is not implemented (i'm sorry, the game was made for the Extra Credits Game Jam 3 in 100 hours), but, soon I'll be updating the game to fix these things