A free program for Android, by ClockStone STUDIO.

This is the ultimate bridge-building simulator, where you can create bridges over deep valleys, canals, and rivers.

The goal is to build the perfect bridge, using different materials, such as wood, steel, cables, or concrete pillars. You can choose between a range of materials, and you can build each bridge in a number of ways. The only limits are your imagination and creativity.

The free version of this app contains the first world (8 levels) of the full version. The full version of this app contains 40 levels, and you can build bridges over deep valleys, canals, and rivers.

The app is a great game for all ages, and it is suitable for both smartphones and tablets.