How to use Spritebank?

I have this game, its like jigsaw puzzle. I want the user to save the game using the "Spritebank" addon but i have no knowledge about it.

if the user completes the puzzle halfway and they would want to save it, how would they do it? Thank you

It sounds like you want to use WebStorage instead.

So does it saves the game like as in my jigsaw puzzle case? If so, where can i see a tutorial as i would love to :D But i could'nt find any simple tutorial about webstorage :<

Any capx file?