Music app for basic playback functionality tested by the Compatibility Test Suite

Camera app

Dialer app

GrapheneOS launcher app

Automatic background updater for modern Android. See https://github.com/GrapheneOS/script/blob/13/generate_metadata.py for the server metadata generation tool.

attestation.app remote attestation server. Server code for use with the Auditor app: https://github.com/GrapheneOS/Auditor. It provides two services: submission of attestation data samples and a remote attestation implementation with email alerts to go along with the local implementation based on QR code scanning in the app.