The Mobile World Congress 2012, world's biggest mobile industry conference to be held in Barcelona from Feb. 27, is expected to be the launch pad for a number of new devices and applications.

More than 1,400 exhibitors are expected to participate in the MWC.

Giant mobile phone manufacturers like HTC, Nokia and Sony are expected to release a new range of mobile phones packed with unique features.

While Asus is ready to launch its Padfone, Samsung has officially released Galaxy Ace 2 and Galaxy Mini 2 that will be shown at the MWC along with Samsung Galaxy Tab 7.7 which is recognized for its brilliant display technology.

Sony is set to unveil Sony Experia U and Sony Experia P. It might talk about Xperia Play too.

Panasonic is said to be launching Eluga (ELegant, User-orientated GatewAy).

Nokia will be the first one to start the conference and is expected to launch Lumia 610, Lumia 900 and N8's successor- the Nokia PureView 808.

After having a great performance in the market, HTC is set to launch HTC One X, HTC Edge and HTC One S. Definitely, HTC One X will be the one to get the attention of the audience because of its quad-core processor, storage capacity and high resolution.

ZTE is said to be unveiling eight handsets which run on both the Android and Windows OS. They will feature innovations such as multi-core chipsets, 4G radio and also LTE.  

ZTE might launch tablets too. The company states that its new devices will deliver significant advances in power, high definition multimedia capabilities and design.

LG will unveil LG Optimus 4x HD, L-Style trio, L5, L7, Optimus 3D Max.

After the Ice Cream Sandwich launch, Google is set to release the Android 5.0 (also known as Jelly Bean). Its key feature will be to dual-boot Chrome OS and may include some game changing stuff that was originally meant for ICS. This version will aim for more than the typical font or color user interface upgrades.

Research in Motion, on the other hand, is expected to launch the new PlayBook 2.0 Operating System - BlackBerry OS 10 - that may bring more power to the Blackberry devices.