Android :: Getting List Of Installed App's - How To Launch One Of Them

My first application will just be a kind of launcher that I would like to improve. This launcher will launch a custom Home that the user has installed. That's like the application "Home Switcher, but I would like to do that myself.

So my first goal is to get all "Home" applications list: that's really easy and the code is there:

CODE:.......

Now I would like to do that in a listview. My first problem is to get the Icon: I failed, but that's not my main problem ( if you can help me I would be happy)

I succeed to make a listview with all the names of the installed Home:

CODE:........

And now when I click on a home, I would like to lauch the Home, so what I did is:

CODE:...............................

So, there is a box that that appear and ask me:

Complete action using:
LauncherPro - or Sense - or ADW
Wallaper Gallery

I think I am close to what I would like to do. what I miss or give me an example of a Launcher that would be a few linecode.