Its real - sort of - but in the scheme of things its not that big a deal. Its more of a sign of sloppy attention to details.
Its not stolen at all. Its free and open source. What they are guilty of is not crediting the source. This is the second time they have failed to credit a source. And I'll bet there are more like it. But its not stealing. Its also misleading since the source in question is for windows, not android.