Add to your home screen for notifications and one-tap access.
You must use Safari — other browsers can't install to your home screen.
Tap theSharebutton at the bottom of Safari (top-right on iPad)
Scroll down and tap Add to Home Screen — if you don't see it, scroll further down the list
Tap Add to finish
After installing, open SWM Radio from your home screen icon (not your browser) so push notifications work. Then enable notifications.