I saw this pop up recently as well. It's interesting from a technical point of view, but also a bit worrying. On one hand, it shows how much demand there is for Silksong on mobile, especially Android. On the other hand, since it's unofficial, there are obvious concerns about legality, quality control, and potential security risks. Until Team Cherry makes an official announcement, I'd personally be very cautious about trying these ports. I'd rather wait for an official release (or at least confirmation) so the developers actually get the support they deserve and players know they're getting a safe, polished experience.

LOL I never got any of my videos published for tech but I got it for gaming.
P.S: To people who are looking for the link for 1.0.5b, it was removed from most places and I am trying to find it, if I do, it will be in the pastebin in the video linked above.