"Anyway" is street english, it should never be used in writing, the literal phase for it is "anyhow", "Anyways" is just slang, or to put it more bluntly,
-slimpiggy(瘦猪犹如插翅虎);
2002-2-21{66}(#375957@0)
it's a mistake people make when they speak, which I will never do