This is an iPhone/iPod touch game which simulates trading on the stock market. It is now available on the iTunes store: View in App Store

You can read about it on and 

You have several companies to buy stock in. There are also bonds which occasionally pop up. Here is a Youtube video of the program:

YouTube Video

Pricing a vanilla option:

YouTube Video

This program is powered by QuantLib and Lua.

Here is video of the Lua backed slightly exposed.

YouTube Video

Other investment opportunities are equity derivatives and interest rate derivatives.

For more information email here