Open Digital Sea Service in Chrome browser
Tap the menu icon (three dots) in the top right corner
Select "Add to Home screen" from the menu
Tap "Add" in the confirmation dialog
The app icon will appear on your home screen
Open Digital Sea Service in Safari browser
Tap the Share button (square with arrow) at the bottom of the browser
Scroll down and tap "Add to Home Screen"
Choose a name for the app and tap "Add"
The app icon will appear on your home screen
Open Digital Sea Service in Chrome or Edge browser
Click the install icon (+ sign) in the address bar
Click "Install" in the popup dialog
The app will install and create a desktop shortcut