Grand Cosmos, developed by GRAND COSMOS RESORT RUISUI HUALIEN, is a free Android application designed to be the ultimate travel companion for those visiting their resort. The app offers a range of features that allow guests to easily navigate the resort and make the most of their stay.

The Hotel Directory feature provides guests with a comprehensive guide to all the hotel amenities, including restaurants, pools, and other facilities. The Hotel Map feature allows guests to easily navigate the resort and find their way around. The News feature provides guests with the latest updates and information about the resort, while the Push Notification feature ensures guests don't miss any important announcements.

The Online Reservation feature allows guests to easily book their stay at the resort, while the Guest Satisfaction feature allows guests to provide feedback on their experience. Finally, the Facilities Walkthrough feature provides guests with a detailed guide to all the resort's facilities, helping them make the most of their stay. Overall, Grand Cosmos is an excellent travel companion for anyone visiting the GRAND COSMOS RESORT RUISUI HUALIEN.