The exact installation process differs between Android and iOS:

• iOS (Apple Devices)
  1. click the “Share” icon
  2. “Add to Home Screen”
  3. accept the new app install After that, the app is available under an icon like any other app.

• Android
  the installation flow is much more automated on Android devices.
  After clicking install, you will be taken through a native system process, after which the app is automatically installed on their phone and accessible as any other app icon.