It's time for us to welcome yet another contender in the battle for world's slimmest Android phone: theLG Optimus Black. This 9.2mm-thick handset made its debut to oohs and aahs of admiration at CES earlier in the year, and is now on the very precipice of a global release. Admittedly, it's not quite slender enough to knock the 7.7mm-thick NEC MEDIAS N-04C off its perch as the absolute thinnest, but it is sufficiently slender to give Samsung's Galaxy S II and Sony Ericsson's Xperia Arc a good fright. That pair of smartphones offer thinner proportions on the spec sheet, but when rested on a flat surface they sit ever so slightly higher than the Optimus Black. This is because, unlike its tricky contemporaries, the Optimus Black keeps to the same thickness along its full length (don't laugh), which, technically speaking, makes it the thinnest Android handset on the European market. Check it out in the gallery below or video after th...