Ordering food delivery to your Seoul hotel as a tourist: who managed it?

Late-night fried chicken delivered to your room is on a lot of Korea bucket lists. Getting there as a visitor is where threads get complicated.

The usual sticking points people describe

The big delivery apps are built around a Korean phone number for sign-up and verification.
Foreign cards are not always accepted in-app, depending on the app and the card.
Addresses: you need the hotel's exact address in Korean, plus your room number.

Workarounds travellers mention

Ask the front desk: many hotels and guesthouses have menus from nearby places and will call for you.
Some apps have added English or foreigner-friendly options; people report mixed results, so test it on your first evening, not your last.
Many shops also do takeaway (포장), which is often simpler and a little cheaper.
Check if your hotel allows delivery drivers inside, or if you should meet them in the lobby.

Did you manage to get delivery in Korea as a visitor? Which method actually worked for you?