It's not Roboto or Droid Sans, it's some other typeface that I haven't managed to find yet... O.o

Kosugi Maru  Suggérée par Gabriel Miceli 

I know that this is an old post, but I've also been wanting to know the name of this font for a while. I managed to find it, so I'm sharing it here for others who may have come here via a web search.