I actually used that when I was in Seoul (because I had to). Never had the need (or saw the need) to user it afterwards. Am I missing out? Or do you just mean

I actually used that when I was in Seoul (because I had to). Never had the need (or saw the need) to user it afterwards. Am I missing out? Or do you just mean it came from Korea? I guess I should have been more clear that I was talking about software that is known internationally.