Yelp is one of the handiest smartphone apps ever.
During a recent trip to northern California, I used it to find restaurants in Santa Rosa -- places I would have missed without it, and places I ended up absolutely loving. (Until next time, Flavor Bistro.)
But the app has long suffered from one irksome limitation: Although you can write a review on your phone, you can't actually publish it. It remains a "draft" until you get back to your PC and finalize it in your desktop browser.