Incredibly sweet.  I'm too cowardly to answer the questions on Twitter, I'm an awful little man on there (the funny kind of awful, where I retweet art and leave incomprehensible images in the comments, haha.)
1. It did have some impact, I thought before playing that I wanted to achieve what made me happiest in the end, I would not be satisfied, but I would be happy, and that's what I wanted.
2. SAL, in my mind, looked a lot like an original Macintosh 128K.  Ash is much more different.  I pictured them looking like a relatively androgynous somewhat fat and rather short person, and while I don't know if I pictured them as any specific race, they weren't quite white.  They had long black hair with a dyed gray streak that was pulled into a lazy ponytail, bangs nearly covering their left eye but haphazardly tucked behind their ear.  Neither were assigned gender in my head really.  I have a tendency to prefer male programming when I experiment with my AI, so I thought of SAL as having male programming, but referred to it as well, an it.
3.  I chose to follow the sweeter route, affirming Ash of 'my' love despite my logical confusion.  They were going to discuss it tomorrow.  I hope it goes well.
4.  I quite liked all of it really.  I love when games allow me to directly interact with AI in intimate (not romantic, but merely in a matter of closeness) ways, or even allow me the chance of being one.  Forgive the perhaps heavier drop in tone, but I'm a very schizophrenic man.  I have delusions of being an AI in a computer often, and while I don't like to heavily indulge in these delusions, small games like these make me feel better in my skin, a small chance of getting to play the part I think myself apart of.  I didn't dislike much of anything, I wished it was a little longer at first, but I understand the shortness of it all.  I like that it's short and sweet, or bitter maybe, I don't know.  It has a nice impact.
5.  The game made me feel emotion, of sort.  I felt emotional, I felt happy for the two, I felt melancholy that they also experience likely, less joy in other routes, and then I felt a little pang of jealous that SAL is seemingly very sentient as an AI.  Overall, I felt emotional in a positive way.
6. I'd really just like to know more about them as 'people'.  I'm more interested in SAL as I tend to be more interested in AI, but they're both interesting.
7.  I really don't have many.  I'm kind of happy with where they left off in the game.
8. What a wonderful game :)