As long as you are already logged into the app and your QR code has been activated I don't think you will need an internet connection when you arrive at Hampden.
What's with the apparent random patterns on the front of the home shirt?
The one McTominay is wearing in the promo shoot is completely different from the one someone posted earlier in the thread from a JD airport shop
The Napiershall parking zone (which is basically North Woodside Road and south east towards St. George's Cross) runs Monday to Friday 8am til 6pm (for the time being) so offers free parking for all home games.