With the input sample, the case swipe shows Swipe_Up/Next_Page and Swipe_Down/Previous_page just like the screen swipes do.
Hold to turn on the device.
Hold to view the controls menu, including device power.
Press to return to the watch face from any screen, except during an activity.
During an activity, press to pause the activity.
Run the "input sample" from the SDK on it and you'll see it's KEY_ENTER with no behavior
Run it in the sim. The single press of the right button on the vahr was a bug in the sim that's now fixed in 3.0.7.
I have installed 3.0.7 but the Sim VAHR still returns onMenu from the right button press.