There are many things frequent travelers hate, like the long queues at the airports, the jet-lag, and the countless little annoyances in logistics when going from one country or state to another. Waiting at the hotel front desk when they're just about ready to collapse after a long trip isn't a positive feeling either. But they may not have to anymore, that is if they're staying at a Hilton hotel and they're HHonors members (membership is free apparently).

The app announced last month a new "Digital Key" feature. At the time, the option was limited to the iOS application, but it has now made its way to its Android counterpart.

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