The keyless entry app allows hotel guests to check in and out remotely, receive room assignments in advance, get directions to and from the hotel and more.

When Marriott first revealed its Starwood reservations platform had been hacked, 500 million guests' data was thought to potentially be at risk.

The hotel's automated kiosks check guests in and issue a secure RFID keycard to open room doors, which are equipped with dormakaba locks.

The automated mobile-key delivery will be enabled by SiteMinder Exchange, a connectivity platform.

Investigators say Chinese hackers are suspects in the security breach that left the personal information of up to 500 million hotel guests exposed.

The enriched feature will automate the delivery of mobile keys to guests’ smartphones, reducing front-desk check-in times.

The company said hackers accessed Starwood Hotels & Resorts Worldwide’s reservation database starting in 2014 and continuing through this past September.

New Zealand's smart hotel integrates digital key functionality into property's mobile app with features that include mobile temperature and lighting…