this video showing how to build blender 3d gamekit ( free game engine )iPhone ios application for running blender 3D game on iOS devices.
download cmake from cmake.org.in xcode project setting, change code signing to no, i missed that in the video.
The goal of gamekit is to create a basic game engine that allows fast prototyping build around open source software free for commercial use.
Using Ogre or Irrlicht for graphics, Bullet for physics, OpenAL for sound
OgreKit is most actively developed and in svn/trunk, the suspended Irrlicht version is in svn/branches/IrrKit.
Engine is written in C++ and the game logic can be done in C++, Lua scripting or logic bricks