Park Plaza Services is a free Android app developed by Intersoft Technologies d.o.o. that provides access to a variety of hotel services through a digital key. With this app, you can easily check-in and check-out of your hotel room, open your room door, and access hotel amenities such as the gym and pool.

The app currently supports several Park Plaza hotels, including Park Plaza Victoria Amsterdam, Park Plaza Westminster Bridge London, Park Plaza Utrecht, and more. You can also use the app to book a stay at one of these hotels and manage your booking details.

The user interface of Park Plaza Services is intuitive and easy to navigate. The app is regularly updated with new features, so stay tuned for more functionalities in the future. Overall, if you're a frequent traveler who wants to streamline your hotel experience, Park Plaza Services is definitely worth checking out.