'Hi, how are you doing?' is 'Hei, mitä kuuluu?' in Finnish.
Just say Hi and everyone will understand you. If you're not from Scotland and you try to use local dialect, you will just sound silly.
Just smile and say it like you mean it
Genki desu ka...
Salut! ça va?
hola, como estas?
The question isn't finished??? do you mean in Gaelic or in Scottish dilect or English? I don't know any Gaelic so am no help but if you Google scottish Gaelic you will find the answer there however I would say...Hi, I am from Scotland :P or Fit like? Im from Scotland
Hola ¿Cómo te va?
salut, comment Ã§a va?