The Developer Guide specifies to look at the table on page 6 to target the model for which you are developing code.
This is what is listed:
Roku LT*
Roku 2 HD
Roku 2 XD
Roku 2 XS
I have a Roku3 - does this mean I can't dev a channel?
Channels: Go Live Sports Cast/Audion - Audiobooks On Demand
"All I've had today is, like, six gummy bears and some scotch."