Era of Sail

In this game you make your own port and send ships to other ports. One ship is the light cog.  The money is gems and coins.  Gems are harder to get then coins.  You can make in-app purchases.  You can make expansions.  There is no in-game chat.  Era of Sail is rated four and up.  Era of Sail is free.  On the first time (when you start the game)Era of Sail is a little slow.