UPDATE: Markiplier has officially started a Factorio lets-play! From the looks of it, it will probably become a series! Will post video link later.
I would have to agree that this will be a good series, even for other YouTubers to play as well.
Also, I don't want to get aggressive in any way, but ...

I honestly think Factorio on mobile devices is a good idea. In my honest opinion, however, I think that credits should be based on time instead of items produced, and that the timer starts when your first item in produced and removed from a crafting structure (Furnaces, Assembling machines, ect ...