BridgeBasher funktioniert nicht

Zoom in and out by pinching the screen and pan the view using a two finger drag. - Ball Stack: Stack gigantic balls onto your bridge until it collapses so that you can quickly determine how much weight your bridge can support. - Word Test: Sticks and stones will break my bones, but words will destroy your bridge.  Powered by a sophisticated physics engine, diese App realistically simulates your bridge reacting to destructive forces in real-time.  The word-trains become increasingly heavier, so only the strongest bridges will survive. - Joint Weights: The joint weights test gives you the opportunity to apply destructive forces with pinpoint accuracy.  The word test lets you sit back and watch as a series of weighty word-trains cross over your bridge.  Hang them from your bridge's joints and see how many joint weights it takes to bring your bridge down.  Create bridges in seconds through the bridge editor.  This allows you to find and fix problem areas in your bridge.  While testing, you can see how the strain is distributed across your bridge.  Design a bridge and then destroy it.  Areas that are under immense strain are colored bright red, while other areas are colored green.  If you make a mistake, simply tap the Undo button.  Show your friends how awesome your bridge is or laugh at your dumb your friends' bridges are. diese App gives you the option to easily e-mail your bridge to whomever you wish.