GreenCity is a travel and navigation app that allows customers of the GreenCity company to book hotel units during the summer period. The app is available on the Android platform and is developed by Roma Soft Technology.

The app has a simple and user-friendly interface that makes it easy to navigate and book hotel units. Customers can search for available units by location, date, and number of guests. The app also provides detailed information about each hotel unit, including photos, amenities, and pricing.

Overall, GreenCity is a useful app for customers of the GreenCity company who wish to book hotel units during the summer period. It is free to use and can help customers save time and effort in finding and booking suitable hotel units.