green pass pdf wallet ☞ https://f-droid.org/packages/com.michaeltroger.gruenerpass/ or https://github.com/michaeltroger/greenpass-android
This app is a simple to use PDF Wallet. That means it takes over the task to store and display your most important PDF certificates.
asks the same question ☞ https://www.theguardian.com/commentisfree/2024/sep/26/elon-musk-us-national-security