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As others already stated there are solutions already to pin apps and to be honest, I feel I would not give the phone to a policeman like that.
On the other hand, what I’m more concerned about is giving the access to my phone’s data through different permissions to my government.
For example this is the list of permissions for the Hungarian government app: https://reports.exodus-privacy.eu.org/en/reports/hu.gov.dap.app/latest/#trackers
It’s just really sad to see this comment and also upvoted this many times. Doesn’t contribute to the conversation at all, plus possibly starts some hate circlejerk.
I’m not familiar with such solutions, but I wouldn’t get your hopes high, as Google Docs is not a collection of publicly available files (like YouTube), rather files closed behind different accesses.
Based on this, depending on how a file is shared with you, you could be asked to authenticate yourself somehow. Without the deeper understanding of your situation, I can only think of one solution: downloading these files with manipulating the links, like this for example (if they are public): https://stackoverflow.com/questions/9045392/getting-the-download-link-for-a-public-google-docs-file?rq=1
If they are not public, I think you still have the chance to do this, but I can’t see any steps around authenticating with Google in their own site. And then download the file.
Do you have any smart home setup as of now? Asking because if you have a Hue Bridge or Home assistant running at homefor example, that could narrow the results.
That’s really cool, thanks!