The Samsung Galaxy S IV is expected boast a new “floating touch” technology that will allow users to interact with the display without actually touching it. Samsung already offers a similar feature with its Galaxy Note devices and their accompanying S Pens. But the Galaxy S IV will use your finger, rather than a stylus.

The unlocked Sony Xperia ZL is heading to the United States after being listed on the official Sony Store. The device will be available in three colors — black, red, and white — but Sony hasn’t yet confirmed its price or its release date. It’s thought, however, that the handset will be available “within the next month.”

Many questioned whether Sony was really committed to Mozilla’s Firefox OS this week when the company announced it had “an ambition” to launch its first Firefox OS smartphones in 2014. But to prove it is getting behind the new platform, the Japanese company has released an experimental Firefox OS ROM for the Xperia E, which anyone can download and install on their device — providing they have the know-how.

BARCELONA, MOBILE WORLD CONGRESS — Sony’s initial unveiling of the Xperia Tablet Z came just after CES back in January, so Mobile World Congress here in Barcelona this week is the first chance we’ve had to get our hands on it. On paper, the device is very impressive, featuring a speedy quad-core processor, a high-resolution display, and a sleek form factor that measures just 6.9mm thick and boasts water resistance.

But specifications aren’t everything; we were itching to find out what the Xperia Tablet Z is like, so we went hands on with it this morning to find out.

BARCELONA, MOBILE WORLD CONGRESS — Here at MWC in Barcelona, Krussell is showing off its latest lineup of waterproof smartphones cases called Sealabox, which let you take your smartphone swimming to snap pictures of the fishes. Available for almost all common smartphones, the Sealabox is IPX7 certified for water resistance up to one meter, and it’s been carefully designed to allow you to make the most of your smartphone in almost any environment.