Bing has updated their mobile search experience on HTML5 enabled mobile smartphone browsers to add a bunch of features. The features include:
Transit Directions and Real-Time Transit
Image Search with sliders and orientation support
Shopping improves access to shopping questions answered, comparison shop, and discover product details and user reviews
Added Weather Autosuggest and Instant Answers to the search bar
iPhone apps search added when you search using an iPhone
Movie search includes time and nearest theatre, along with reviews, synopsis, trailers and additional information
Here is a closer look at the iPhone app results, I am honestly not sure how they rank the results because they are not in the same order as the iTunes Store:
Here are some video demos from Bing:
Forum discussion at WebmasterWorld.