Samsung Galaxy S 4G hands-on (photos) +4 more See all photos Samsung’s little Android family …

Nokia may have chosen Windows Phone 7 as its smart phone OS for the forseeable future, but Google CEO Eric Schmidt hopes the company will change its mind — and says he’ll give Nokia a warm Android welcome if it does. During his keynote speech at Mobile World Congress last night, Schmidt confirmed Google and Nokia had “extensive” discussions before …

Dual-core smart phones? Pfft. Nvidia has been showing off its new Tegra quad-core processor, which includes a 12-core GeForce GPU. Codenamed Project Kal-El, the new processor will be finding its way into smart phones and tablets this year. “Our customers are getting samples now, and they’re planning production in August,” writes Nvidia’s mobile boss Mike Rayfield on the company’s official …