Pokemon Go is becoming available to download at countries, one by one and the latest country is Hong Kong at the moment. You can download the game from official resources if you are from Hong Kong. You will able to download it from Google Play Hong Kong now. It is free. If you would like to download the application for iOS devices in App Store, you will need to have a Hong Kong Apple ID. If you have already one, you can search it on iTunes and download the application immediately.
The last country which was available to download was France. Pokemon Go has announced that Hong Kong is the new country which people can play the game from official download resource. The first Asian country was already Japan and Pokemon Go has announced that just a few days ago.
There are many game fans who has download the game from Hong Kong. We wish the best luck for them and enjoy with Pokemon catching.