That info is currently out of date. An updated Device handler and Smartapp selection is available in the new thread, here:
The major problem you’re running into there is that you need to pair the device through the mobile app, and not through the IDE. The newer DTH and SmartApps though are a bit more reliable (Especially with respect to the pairing process), and feature filled. There’s a set of instructions in the first post of the new thread.