Gadget fans walk this week from Mobile World Congress in Barcelona, ​​the annual fest television for connected devices, grumbling about the lack of observable attention to the product's success. There is no substitute for the big screen years ago, Wonder HD Samsung (005930) Galaxy Note 10.1, well no one dared to push over the 41-megapixel barrier was broken last year by 808 PureView Nokia camera phone. And with Apple (AAPL) did not show up (as usual) and Google (GOOG) suspiciously scarce at the event this year, the tablet is clearly understated.Instead industry news, automotive energy sector, and city planning experts to draw some to the largest audience on the trade show floor, showing how mobile technology can change the creaking of grid energy, save billions in health systems efficiently, and improve disaster response capabilities in the major cities. Maybe blunt, but important.Here the three most important things to emerge from the Mobile World Congress: 1) Infrastructure technology. Introduced the Deutsche Telekom (DTE) of a new machine-to-machine (or M2M) telematics market. It is asking developers to build managed software solutions that can be sold, say, port operators and power companies. Among the new applications to market remote monitoring pipe and cargo-tracking software bundle, said Jürgen Hase, vice president of Deutsche Telekom M2M competence Center.2) application automaker. French carmaker Renault (RNO) shows R-Link app store where customers buy apps for the road (think of maps, weather information, and streaming music) with a new in-dash tablet display to select car models for launch later this year. Renault is trying to pursue a higher-end rivals BMW (BMW), Audi (NSU), and Toyota (TM), which introduced their own proprietary app marketplaces.3) Handset savings. The biggest buzz comes courtesy of Mozilla, which introduced another mobile operating system market is tight. Firefox OS phones run on HTML5, web-based language that does not burn in the development of society. The selling point is that Firefox OS phones to target specific to the consumer who can not afford an iPhone or high-end Android phones. The handset, which is conducted by ZTE China (763) and HUAWEI, and LG (066,570) and AirTouch Alcatel (ALU), will launch later this summer in Eastern Europe, South America, and only one EU country , Spain, the youth also the official unemployment rate of 55 percent.Nokia (NOK) caught the news bug-savings will not soothe shareholders. Among the four handset Nokia Chief Executive Officer Stephen Elop introduced in Barcelona is "105," to bring the retail price of € 15 ($ 19.60), and "301," $ 85. Although inline smartphone, Lumia, priced to move. Two new intro, Lumia 520 and Lumia 720, will carry a retail price around $ 180 and $ 325, according to the order.