Element Mobile
  1. Download and install Element Mobile from the Google Play Store or F-Droid.
  2. Tick the "Use custom server options (advanced)" checkbox.
  3. Set https://matrix.halogen.place as your Home Server URL.
  4. Click the "Continue with Halogen Place" button to be taken to the Halogen Place Single Sign-On Portal.
  5. Select the account you want to log into from the list.
  6. Once redirected, click "Continue" to continue to your Matrix account in the desktop client.