For game elements and rules you can check the store and help menus

You can move in 4 directions by keyboard arrows.
You can zoom out or in by mouse scroll.
There are 4 zones, each player has two dice one with numbers while other with colors, so the first player has to roll dice and choose one element according to the color, and you can define zone according to numbers from 1 to 4 if a player gets 5 he is free to choose the place if get 6 you are free to place 2 elements anywhere.