Open Softspace in Safari, then:

1. Tap Share (you may find it under the More menu).
2. Choose Add to Home Screen.
3. Keep Open as Web App on if shown, then tap Add.

Open Softspace in Chrome, then:

1. Open the browser's ⋮ menu.
2. Tap Install app or Add to Home screen.
3. Confirm to add Softspace.

On your phone, open this link in Safari or Chrome.

iPhone: Share → Add to Home Screen.

Android: browser menu → Install app or Add to Home screen.

On a computer, look for Install in your browser's menu or address bar.