This app was mentioned in
with an average of
Not sure if this is just available in America, but the MyVegas App for your phone and/or game on Facebook is a good way to get some free perks on your next trip to Las Vegas. You can play slot games for free and earn coins/points to cash in for free food, shows, hotel rooms, etc...
Correct. Some companies also skirt that second part by letting you exchange the virtual currency for real life deals like hotels, trips, etc...