Is Rosetta stone an effective learning tool

So yeah, I'm thinking of learning an eastern Asian language and I'm really conflicted as whether or not to 'purchase' Rosetta Stone as I've heard equally conflicting reviews of it. I live in a remote small town in australia so I can't exactly find my nearest 'korea-town' and immerse myself in the culture as some people would recommend so really in limited to using online/text resources. Cheers.

Can someone provide something like that korean pack but for japanese