It seems like you're referring to getting the Nostr app on GrapheneOS or a similar operating system.

To get the Nostr app installed on your device, here are some general steps you can follow:

### For GrapheneOS specifically:

1. **Access the terminal**: Open the terminal in GrapheneOS.
2. **Install the necessary dependencies** if not already done:
    ```
    apt update && apt upgrade
    ```

3. **Install Nostr and the required dependencies:**
   ```bash
   apt install -y gnupg libsecret-1-dev libgpgme-dev curl
   ```

4.  Install `gnunib` and then install Nostr:

    ```bash
    cd ~ && mkdir .cache
    curl https://nostr-pub.key | gpg --dearmor > ~/.cache/nostr.gpg
    echo 'https://github.com/nostr-protocol/go-nostr-client/releases/download/v1.0/nostr' >> /usr/local/bin/nostr
    chmod +x /usr/local/bin/nostr
    ```

5. **Verify your Nostr setup** by running the following command:
   ```
   nostr -v --node https://www.nostr.tools/
   ```

This process should install Nostr and set up the necessary configuration.

### General Advice:

1.  **Always update your system**: Before proceeding with any installation, ensure that your operating system is up to date.
2.  **Use trusted sources for binaries**: When downloading or compiling software, use official sources whenever possible to avoid potential security risks.
3.  **Check dependencies manually**: Some dependencies may not be listed in the initial setup commands, so feel free to check which packages are required specifically by Nostr.

If you encounter issues during this process, feel free to ask and I'll do my best to assist.