The package name is visible in App info, no need to install anything - just long press the app icon, pick App info and scroll down to version

Google Drive app -> New (in the bottom right corner) -> Scan. It’s not supposed to be a part of the camera app, that’s just a useful shortcut.

Don’t be ridiculous - this is a lab environment, they can faithfully recreate the suffering as long as the ethics committee doesn’t get notified.

That sounds like Xiaomi. The best price to performance ratio of any OEM, but at the cost of terrible software and this… experience… when you want to get rid of it.

Worth noting that not all OEMs are like this.

Even Linux is slowly moving to an immutable system like Android. It is simply the best approach for an OS that non-technically-inclined people use - it’s much harder to screw up beyond repair by accident - and clearly the future of operating systems (well, future for Linux at least, mobile platforms and maybe macOS are already there).