If you're just wanting to control your computer from your iphone, you could use any VNC app for the iphone.
I use "Jaadu VNC" to control my macbook pro through wifi but any of them would work.
The leaf thing sounds like a proprietary app for the iphone...?
Just guessing, and although you *can* see images through a VNC app on your iphone, you have to zoom in
and it doesn't look *great* and is more annoying than it's worth for me.
Those are my thoughts at least.
Best of luck Eric.