Poly Bridge v1.2.2 is an excellent bridge building simulation game available for purchase on Google Market for $0.99.
However, there is a mod available that allows for easy winning in the game.
This mod provides an opportunity to enjoy the game without the stress of failure.
It's a great game, and the fact that there is a free mod available makes it even more appealing.
If you're looking for a fun and challenging game, Poly Bridge is definitely worth checking out.