Invidious

2) 13 fps
3) For a mobile animating app, it's actually pretty good in terms of features and leagues better from what I used to animate on (Flipaclip) Not to mention it does get updated with new features being added pretty often
4) Is this your scubascan headcanon
5) It's completely dependent on you
6) I get this way more often than I'd think and chat you don't have to ask just go for it, the sky is the limit and it's flattering to me