Yes I know sometimes the obb file is no longer there, it happened to me with one of my games, I'm trying to figure out why it doesn't give you permissionIt sucks that's for sure. Just wish games could be apkd like matchington manor I remember back in the day matchington required obb installation now it's just install it and be done.
So did you succeed?...... Ugh I figured out how to do it and it was stupid easy
Google files
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Then mess around inside . Not files by marc or file explorer or anything else I haven't tried messing with save games like I usually do but I got growing up in the 90s running