The smartphone market knows no limits when it comes to new concerns. It might seem that the front LED Flash was already one of the few developments that we would see on the front camera phones, but as just revealed a leak, is that Lenovo is working on a smartphone with two front cameras. This smartphone, named Lenovo Vibe S1, was scheduled to be presented during the past MWC 2015, but seems to finally be in the final stretch of this year when it really will come on the market. Of course, at first launch will target China.  And what Lenovo has had in mind when deciding to incorporate two