Wow, really? That's actually interesting. I had someone write me with kind of a related issue. I got to bypass his game, but he still reported crashing issues. And after testing, apparently, it was just crashing in versions below Android 9. Very strange behaviour.
I currently can't retake modding for one or two days because I'm moving files from my old PC to the new one, but when I have time I will take a closer look and try it myself to see if Android versions below 9 really do have this problem.
Will try to remember, but if after a couple days I haven't replied with news, remind me.
Hold on... Now that I think about it... I think all this has to do with the fact that the games of today, those that already come in XAPK format and with pairip, are games that are no longer compatible with Android versions below 9, and it is something that makes sense in the face of security and planned obsolescence on Google's part. In the end, they are monopolizing the Android market and are responsible for most of these security changes.
Anyway, the latter is just speculation for now. As I told you, I have to check it out for myself, so give me some time.
If you get any news, let me know. Take care.