World And Personal Ranglist
That would be a great idea cause the players will see his friends or the other players on the score board. That's creating a race in each other!
Kingdom Overview
The Kingdom overview would be good by watching the production and the numbers of the building and u can calculate what structure is missing from the machinery!
Little arrows next to the icons could helps. they show the growing or reducing of the goods.
And why can't i build structure on that place where the tree roots are??
Are they in your plan? Can we get some tips about the future of the game?