Yes, but the controller window is exactly the same size as the playbook display, and it seems to be designed for touch, so it feels almost as a native app.
That's great! You also should check out the thread "Playbook in Church" Hundreds of stories of the PB being used in church for numerous applications. I use mine for lessons, presentations, classes etc... With the apps e-Mmanual and Presenters Edge, I'm good to go.