DIY a IPhone Macro Lens?? Anyone tried this?

Hey guys just got my first iphone earlier this mouth and I am still very excited to find out more interesting apps and game for it. Aside from that. I just find someone has DIYed a IPhone Macro Lens using a small lens in laser pointer.

http://www.instructables.com/id/DIY-...Pointer-for-1/

Just wonder if anyone here has tried this before and what is the result?