Deep link meta tag setting ready, but not show "Get the {app_name} app" at phone

[lin_amila_lala]

What can’t I see “Get the {app_name} app”?
and always shows “View on web” .
sample url : http://www.kkbox.com/tw/tc/artist/yBZnw.EHYIytyoD0F07FV08J-index-1.html

 the twitter meta tags are as follows:

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