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Five great Android Wi-Fi calling apps

There are many reasons to enjoy Wi-Fi calling, from starting video chats with family far and wide, to giving your old phone a new lease on life as a Wi-Fi-only device in little Johnny's hands. However you want to use it, you still need to know which apps are best.

There are quite a few companies battling it out in the data-calling space, each of which has its own benefits and drawbacks. Some offer voice-only calling, while others allow for video calls, photo transfer, and group chat.

Select apps share the love with other services, but others prefer to … Read more

Samsung teases robotic vacuum cleaner with a twist

Samsung revealed yesterday (albeit, with little detail) its latest robotic vacuum cleaner -- the Smart Tango Corner Clean -- just a week before a potential CES debut.

For those of you with visions of a Samsung-made Rosey the maid robot from "The Jetsons" zipping about your home, well, we're not quite there yet. However, due to the inclusion of appendages, the latest robotic vacuum from Samsung might give pause to prospective buyers of Roomba or Neato devices. … Read more

Stay in contact with your friends with Tango Voice & Video Calls

Web-based communication apps offering free voice and video calls over Wi-Fi, 3G, and 4G as well as text messaging are some of the must-have apps for any Android device. Tango Voice & Video Calls lets you easily connect to friends while making your communication free and fun.

The primary menu of this app takes users to the standard line-up-at-the-top arrangement of most interfaces in mobile OS platforms, with options like calls, messages, and settings organized at the upper part of the screen. This makes the presentation of basic options easy and intuitive, since you've most likely already encountered such … Read more

Video and voice chat for free with Tango

A free mobile video communications software package, Tango allows users to easily connect with family, friends, and co-workers. It is a versatile software package that works on multiple platforms, including PCs, Macs, and various smartphones. It has a number of excellent features making this a mobile communications option well worth exploring.

The interface of Tango resembles a standard cellular phone. It has buttons near the bottom for adding contacts, viewing recent sent and received calls, an invite button, and a settings button. You can switch between video chat and voice with a tap of the screen. This application is optimized … Read more

Easy VoIP

Tango Video Calls is a free VoIP application for iOS with high goals, but low performance. The app is very easy to use, but its interface misses the finesse of a native iOS application such as FaceTime.

With its intuitive interface, most users will be able to skip the video tutorial and get started right away, especially those who've used a VoIP app before. Tango Video Calls does offer some great features, such as the FaceTime-ish video call (the primary aim of the app) or (what we liked the most) video messaging. We loved the concept of breaking down … Read more

Windows Phone 7.5 update to expand SMS functionality

In addition to lowering its minimum requirements for building Windows Phones, Microsoft announced at Mobile World Congress today that it will add support for multiple attachments to SMS messages.

The new functionality is part of the upcoming Windows Phone 7.5 Tango update due out this spring and includes the option to attach numerous pictures, video, and audio notes to text messages.

Microsoft didn't provide more specific details about the update release schedule but said the new lower-end phones, such as the Nokia Lumia 610, will come preloaded with the software update, while current Windows Phone 7 device owners … Read more

Windows Phone upgrade plans: First Tango, then cash

Microsoft plans to target inexpensive smartphones with the next release of its mobile operating system, and won't add more advanced features until a software release slated for the fourth quarter of 2012, according to a leaked Windows Phone roadmap obtained by the Web site Wmpoweruser.com.

The next iteration of the software known as Tango will be out the door in the second half of 2012, the leaked plans reportedly indicate. By Q4, Microsoft plans to roll out its next big upgrade, known as Apollo. This update will provide features such as dual-core devices, near-field communications, and HD screens. … Read more

Blu Tango review: An Android misstep

We were pretty excited to take a look at the Blu Tango, an Android 2.2 Froyo smartphone from a manufacturer that's new to us, and in fact, fairly new to handset-crafting at all.

Related links • Blu: A new Android maker on the horizon • Smartphones for first-time buyers • Cell phones to avoid

Unfortunately, Blu's Tango, billed as a starter smartphone, is unable to recover from some pretty serious blunders. It isn't just more cheaply made than other entry-level handsets, it's downright unpleasant to use.

Consider the resistive touch-screen display that's only 2.8 inches, and … Read more

Royal wedding soundtrack to go straight to iTunes

Move over, Rebecca Black: Another unusual addition to the iTunes top-selling charts is on its way. Namely, it's the "soundtrack" to the much-ballyhooed royal wedding between Prince William and his fiancee Kate Middleton on April 29, set to appear on Apple's digital download marketplace "within hours" of the occasion's end, according to The Telegraph.

Were this a perfect world, the album would include a handful of wedding guests' merry karaoke recordings (Prince Harry is making sure that this is part of the program, right?), and perhaps the live cut of a surprise reunion … Read more

German court rules Google Street View is legal

Perhaps no Google product has spawned a better blend of quirkiness and scandal than Google Street View--cameras pranked with staged sword battles, naked men emerging from car trunks, unsavory snapshots of dead bodies, and the ire of multiple governments, primarily in Europe, who believe that it's an invasion of privacy.

But in one of those countries, Germany, Google Street View has had a victory of sorts. A Berlin court has ruled, according to Deutsche Welle, that it's legal for Google to take the street-level pictures, striking down a lawsuit brought on by a German woman who sued Google … Read more