Tap Share → “Add to Home Screen”.
Open the browser menu ⋮ and choose “Install app” or “Add to Home screen”.
Tap the menu ☰ → “Add page to” → “Home screen”.
Open the menu ⋮ and choose “Install”.
Click the install icon at the right end of the address bar, or open the browser menu and choose “Install gardmi”.
In the menu bar choose File → “Add to Dock”.
Firefox can’t install sites as apps yet. Open gardmi in Chrome, Edge or Yandex Browser and press “Install the app” there.
You are in a browser inside another app. Open the page in your regular browser (menu ⋯ → “Open in browser”) and install from there.