You can get two achievements quickly:
Creator I-Save a room and Creator II-Publish a room
Hit the start button on your controller to open your watch.
Select the create button.
Select make a room. Name it anything you feel like.
After the loading screen you're now in your new room.
Hit the start button again on you controller.
Select the The room button.
Select the save button. (Little disc button)
After the Creator I-Save a room achievement pops stay on the same screen for the
Creator II-Publish a room achievement.
Next select the setting button. (little gear icon)
Select Publish room button.
Select the big square left of your room name and you'll have to take a picture of your room by hitting RT and click confirm.
Select Publish twice.
Select ok and you can back out.
Hope this helps.
Let me know if I should fix something.