Hong Kong Flight Info is a free Android app developed by EK Studio that provides real-time flight information for Hong Kong International Airport. The app has a user-friendly interface and is available in English, Traditional Chinese, and Simplified Chinese.

The app allows users to query cargo and passenger flights of the day before yesterday, yesterday, today, tomorrow, and the day after tomorrow. Users can also search for flights by flight number, city name, aircraft type, or registration number. The app provides information on passenger arrivals and departures bay, aircraft type and registration number, baggage belt and delivery status, airline information, ATC radio, flight radar with aerodrome layout and aeronautical charts, airport floor map/indoor map, airport weather/traffic, special announcements from the airport authority, and public transport information.

The app also has a flight reminder feature, flight history of the past 15 flights, and an auto-update watch list that checks every 5 minutes for a maximum of 15 flights. A paid version of the app is available for users who want more functions.

Overall, Hong Kong Flight Info is a useful app for anyone who needs real-time flight information for Hong Kong International Airport. The app is fast, reliable, and provides all the necessary information for travelers and aviation enthusiasts alike.