AT&T Mobility has set-up a new reservation system to help customers lower the amount of time spent at wireless stores. Customers, both existing and potential, can now visit att.com/storeappointment to book an appointment at the nearest AT&T store or device support center. The reservation tool takes customer information and provides a list of available appointment times during store hours. AT&T still accepts walk-ins at its retail locations and support centers, but having a set time will make it easier for customers to be assisted on busy days.

How many people in the UK have 4G service? EE today revealed that the number of mobile subscribers who have signed up for 4G plans has reached 318,000 in just five months of availability, and the number is on track to reach 1 million customers in 2013. EE, currently the only operator in the UK that delivers 4G, is scheduled to deploy its network far enough to reach 70 percent of the UK's population by the end of the year. The number of total subscribers could reach even higher once O2, Vodafone, and others launch their 4G networks later this year.

Yahoo last month acquired Summy, a news app that summarized articles down to shorter bites, and it has since integrated the now defunct app into the Yahoo! app for Apple iOS. Yahoo! users can select certain categories or topics and the app will selectively display breaking news and top stories based on those interests. Aside from shortening the news, it also improves the way search results are displayed for photos and video, which are available by tapping on tabs near the bottom of the screen. The new Yahoo! iOS app is available for iPhone and iPod touch in the U.S.

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Sony Mobile has issued a statement on its official Twitter news account to confirm that it is still working to deliver an update to its Xperia devices. Sony said that the it is nearing completion of its Android 4.1 Jelly Bean update for some of its 2012 smartphones. The Xperia P, Xperia Go, Xperia S, Xperia SL, Xperia arc S, and Xperia ion are all "in the final stage" of being updated, but official dates for the phones to begin updates have yet to be announced. Sony promises to offer more news next week.

AT&T has begun updating the LG Escape to Android 4.1 Jelly Bean. LG Escape owners should start seeing update notifications beginning today, but they an press Settings > General > About phone > Software Update > Update Now to manually search for an update. Android 4.1 adds new notifications, Google Now, and AT&T DriveMode among other many other features.

An internal Staples memo suggests that the Samsung Galaxy S 4 will launch in the U.S. later this month. Engadget has posted the memo that claims the Galaxy S 4 will go on sale for AT&T on April 26. T-Mobile will follow by going on sale May 1 and Verizon will arrive much later on May 30. The May 1 date follows what T-Mobile confirmed last month, and AT&T previously announced that it will begin taking pre-orders for the Galaxy S 4 tomorrow. However, these dates are tentative and there are no guarantees that the phone will go on sale until carriers individually announce availability.

Facebook Home is now available for select Android smartphones. The integrated home screen, lock screen, and Messenger app provides a deeper Facebook experience on Android. More information about the features can be read here, but keep in mind that only a handful of devices will be able to take advantage of those features. Facebook Home is in Google Play in the U.S., but only the HTC One, HTC One X, Samsung Galaxy Note II, Samsung Galaxy S III, and Samsung Galaxy S 4 will support it today. Other Android 4.0 or later devices will gain access at another time.

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Google yesterday announced that the Apple iPhone and iPod touch can browse the web with full-screens when using Chrome for iOS, and the beta version of Chrome for Android today gained the same feature. Chrome Beta removes the toolbar as the user scrolls down and then it reappears when scrolling up. The update also adds support for easier search from the omnibus, client-side certificate support, and tab history when browsing on tablets. These features are in the testing ground of Chrome Beta and will likely appear in the standard Chrome Android app once Google manages to address stability issues with the current build.

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Google's Chrome browser for Apple iOS has been updated to support new features on the iPhone. Chrome now supports full-screen browsing on an iPhone or iPod touch, allowing users to see more of a webpage when scrolling on a smaller screen. The address bar disappears when scrolling down but immediately returns when scrolling back up. Chrome also added the ability to print from iOS using Gogole Cloud Print or AirPrint, and an option to save a page as a PDF file that is instantly stored in Google Drive.

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The BlackBerry Q10, the first BlackBerry 10 smartphone with the a physical QWERTY keyboard, will launch in Canada later this month. BlackBerry fans now have the option to pre-order the Q10 at several major carriers and retailers in Canada. Best Buy, TELUS, Rogers, and Future Shop have all posted pre-order pages that customers can visit to learn how they can reserve a Q10. For more information on the BlackBerry Q10, be sure to view our Q10 hands-on video from the January BB10 launch event.