Adapt designs to mobile format from a Sketch file

The sketch file have the artboards of this prototype: [login to view URL] I would need someone to adapt the screens from my sketch file and make a mobile version of it, i.e 320px width. Everything is in symbols and pretty straightforward to work on. I just need a clean rearrangement to make it fit on a mobile screen. Since I don't have the time to do this on my own, I'm looking for some help.