is your phone android 11 since i think it's android 11 issue 😕 since in the past my phone samsung a30 is android 10, and i don't have this issue playing it, but when im updates it to android 11 it's become like what you describe
other renpy vn like ico is also become like this in android 11 but most vn is still playable thou so idk what the issue here that make some renpy vn unplayable in android 11🤔