ASSA ABLOY Mobile Access for Hospitality goes live today when Starwood Hotels & Resorts Worldwide, Inc. introduces SPGA Keyless, a keyless entry system allowing Starwood Preferred GuestA members to use their smartphone as a key. Rolling out to Aloft, Element and W Hotels across the globe, SPG Keyless makes its official debut in 10 hotels in markets including Beijing, Hong Kong, New York, Los Angeles and Doha.