This app was mentioned in 6 comments, with an average of 2.83 upvotes
All the sensible stuff - Pixtocam, translate, Attopedia, 'Note to self' and so on. Then the one app that really sells Android Wear, Whoopee Wear. I swear I've had more people impressed by that than any other app.
To be fair, Android Wear has its share of useless apps:
https://play.google.com/store/apps/details?id=com.nordeck.whoopeewear&hl=en
https://play.google.com/store/apps/details?id=com.blukz.wear.fart
But you're right, on one app I can choose between 9 different farts!
Easily worth the $250 the watch costs