that sucks, gonna leave here something but i haven't tried this game yet, so i don't know if this will really help or not, but for me it usually works
for now, the best way for me to install something has been uninstalling the game, and install the new version, why? idk, it works, otherwise i get the same error, in most games i didn't lose my progress but may not be the case here.
a friend once said, both versions of the game might be fine, but a slight core change in the game could make the android sistem say, "this is not the same, nuh, not gonna do it"
taking note of what de dev says, it could be the difference between the renpy versions, a lil fcked up but that happens sometimes