LAS VEGAS (TheStreet) -- The all-things wireless tradeshow, CTIA 2010, is underway and TheStreet's tech team is working the floor, bringing you news of just-launched gadgets and operating systems.

HTC EVO 4G

Probably the worst-kept secret of CTIA, Sprint ( S - Get Report) unveiled the HTC EVO 4G, which Sprint claims will shake up the smartphone market. Built by HTC, the EVO 4G was originally codenamed "'Supersonic" and runs Google's ( GOOG) Android operating system.

Built to be a hefty competitor to Apple's ( AAPL - Get Report) iPhone, the EVO 4G comes with an 8-megapixel camera and a camcorder that is equal to high-definition devices. With a 4.3-inch high-definition screen, the EVO is powered by a 1 GHz Snapdragon processor from Qualcomm ( QCOM).

Read on for more CTIA picks.

Samsung Galaxy S

Samsung Electronics' new Android-powered Galaxy S was one of the first smartphones unveiled at CTIA. We've yet to play with it, but we can say that the phone, due out in the U.S. later this year, looks an awful lot like an iPhone. During his speech, Samsung exec J.K. Shin hinted at a collaboration with a major "content giant" to provide full-length movies and TV shows to the phone. We'll have to wait and see.

Motorola i1

The good news about the first big phone debut of this year's CTIA: It's a Motorola ( MOT) Android. The bad news: It's a Motorola Android. Motorola bills its new i1 Nextel Android as the "world's first push-to-talk Android-powered device." The phone does feature the cool Swype touch-screen keyboard function, which we found to be amazing when testing other Android devices. It also has well-designed, rugged and rubberized edges intended for rough work environments.

But other than that, it's just another Android being pitched by Motorola's new spokesperson, Dirty Jobs TV host Mike Rowe. What's worse, the phone runs on the 1.5 operating system.

Yahoo! Sketch-A-Search

Yahoo! ( YHOO) just launched a restaurant-search application for the iPhone (available in the Apple App Store, of course). Using Yahoo! Local search capabilities -- and displaying the results on Google Maps -- this program allows you to draw the search area on a map and then it filters the results. (View the Sketch-A-Search video demo that we filmed at CTIA here.)

The drawing function worked well but the Yahoo! Local results seemed a little off -- the program wasn't able to find a family restaurant near Central Park in Manhattan. We have to say that the mix of mortal enemies -- Apple, Google and Yahoo! -- on one platform was interesting to see in action.

Windows Phone 7

There were no real surprises during our first demo of Microsoft's ( MSFT - Get Report) Windows Phone 7. In our video of the full demonstration, you'll see what the home screen and apps look like.

One of the most surprising highlights: No universal device search, which the iPhone, Android, and Palm ( PALM) systems all have. Microsoft says that people do not want a list of results that don't pertain to the underlying search for a user. We disagree. Microsoft would do well to give the user the option of a search in, say, e-mail (or across the whole device). Considering the vast amount of board memory on a basic smartphone, you really might want to search it all.

The demo ran on a dummy device and we have yet to see Windows Phone 7 out in the wild here at CTIA.

OtterBox Commuter Case

OtterBox has been making battle-hardened cases for years, and the company doesn't miss a beat. While you may never need to use your iPhone under ten feet of water, OtterBox is ready with a case if you do.

We put the new Commuter case on a Research In Motion ( RIMM) BlackBerry Bold 9000 and an Apple iPhone 3GS. Both cases were easy to take on and off and seemed like perfect, lightweight add-ons for, say, jogging.

These two were the slimmest OtterBoxes we've tried. Previous versions were too bulky or had too much rubberized protection, making it hard to get it out of your pocket with ease. These new Commuter cases are a huge improvement. One quibble, which doesn't apply only to OtterBox: a regular- and glare-proof screen protector needs to be standard in cases.

-- Reported by Bill McCandless in Las Vegas

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Bill McCandless is the executive editor for multimedia at TheStreet.