The chip-maker is properly veiling the actual products powered by its Tegra 3 processor, instead proclaiming that "quad-core firsts continue at MWC." Since the first "first" was a quad-core tablet, it doesn't take much deductive power to reason out that this show will spotlight smartphones.
So far HTC, Sony, Huawei, and Nokia have set up press conferences. It's a good guess that Nvidia's quad-core Tegra 3 chip could power one from HTC's brood, like the HTC Edge.
Technology News will be in Barcelona feverishly covering smartphones, tablets, and more, so stay tuned!