With some of the biggest players in the wireless world debuting their newest products and services at Mobile World Congress, RealMoney Pro contributor Chris Versace highlights some of the biggest news to come out of the show. Versace details new smartphones from Microsoft and Samsung as well other new devices and services that have been unveiled. The most important trend to come out of Mobile World Congress is mobile payment technology, according to Versace, who predicts that this will be the year for mobile payments. Versace reveals that his top stock picks for playing this trend pertain are chip-makers who enable this technology -- companies like Qualcomm, Skyworks, Qorvo and NXP Semiconductor.