A proposal from the App Fair Project for federated Android app notarization, augmenting Android Developer Verification with independent assessments.
website/: the specification and installation simulator, published at https://appfair.org/community-notarization/. The specification is the single reference for the policy, the provider contract and the platform integration.android-reference/: a working implementation of the specification on a stock AOSP emulator image, with example notary apps and the test harness that CI runs. See its README.
cd website && npm ci && npm run dev # the site at http://127.0.0.1:4321/community-notarization/
cd website && npm test && npm run build # the site's checks
android-reference/scripts/ci.sh # host tests, build, emulator, every scenario