Please add an option to change key's. Keyboards used in europe have the "z" button swaped with the "y" button. So it's really horrible to play by not using an US keyboard.
The last couple of levels are pretty easy to solve, if you are building moveable cranes instead of bridges. E.g. level 44: Instead of 17 connections I used 6 to build a transportation box and moved the to the ball and back to the truck.
 "Quest for Pancake")
 "Shop Heroes")
 "Dakota Winchester's Adventures - Part 3")
 "Puppet Soccer Champions")
 "Bloody Harry")
 "King's Rush")
 "Cargo Bridge 2")
 "Balloon in a Wasteland")
 "My Pet Protector")
Please let us know if this persists after the update. :)