As a symbol of the explosion of Chinese manufacturers in the world, Lenovo has unveiled a revolutionary smartphone – Smart Cast. Equipped with a laser projector, you can project a second screen on any surface.  Mobile devices incorporating projectors are not legion. We know the Samsung Galaxy Beam eg for smartphones or Tablet Lenovo Yoga 2 Pro for tablets. Lenovo, precisely, has unveiled the Smart Cast, a revolutionary smartphone incorporating the smallest projector market (34 x 26 x 5 mm).  “Yes, well, a built-in projector that’s not really a revolution,” you say.