The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Thailand Convention and Exhibition Bureau:
Thailand Exhibition is an application providing you with convenience in finding TCEB-supported events and trade shows in Thailand. The application allows you to access all highlight events, event calendars, organizer information and in the meantime, lets you update essential and relevant news and data, including TCEB News, Industry News, Thailand Toward AEC 2015, 8 Highlight Industries of Thailand, and Venue Info. Besides, you can keep your favorite event data with the app's bookmark functionality, or even instantly share with others via https://twitter.com/tceb_online, https://www.facebook.com/BelieveInThailand or email@example.com