I don't recall the complete features being listed officially, but there's a screenshot of it here in which you can see what it does somewhat:
...
KeyTrader version 2, a completely new program, is nearly completed and in beta testing. Here is a screenshot:

The developer working on KeyOS has had some hurdles to overcome and we now have two people working on the project, independently of each other, and sharing information. A linux expert was also hired to assist the process.
The investors are free to do whatever the hell they want. The fact is, KEY is alive and the development team is strong.