Liên hệ

📱 iPhone & iPad (Safari)

1. Tap the Share button in the toolbar
2. Scroll down and tap "Add to Home Screen"
3. Tap "Add" — the app icon appears on your home screen

🤖 Android (Chrome)

1. Tap the menu (three dots) in the top-right
2. Tap "Install app" or "Add to Home screen"
3. Confirm to add it to your home screen

💻 Desktop (Chrome & Edge)

1. Click the install icon at the right of the address bar
2. Click "Install"