there is not yet a standard translation for this app. FYI
in this context, it means only when book the services using this app can the preference of membership be available.

Other alternatives for this term:
Hong Kong & Macao Tour Guide;
Hong Kong & Macao Tour Specialist;
Hong Kong & Macao Tourism;
Hong Kong & Macao Tour Assistant;
...

XX酒店，标准客房(会员特惠)(玩转港澳), 1间1夜， 总价.....
Standard guest room of XX Hotel (special preference for membership) (only available by booking on the APP -"Tour in Hong Kong & Macao"), the total price of each guest room is ... per day&night

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Note added at 1小时 (2016-07-30 12:41:04 GMT)
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Update: Easy Tour in HK&Macao (APP: Wan Zhuan Gang Ao)

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Note added at 1天2小时 (2016-07-31 14:26:59 GMT) Post-grading
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Thank you, but I found a problem, the Chinese Pinyin shall be "Wan Zhuan Gang Ao", but when I typed, it was automatically corrected to "Wan Zhuang Gang Ao". I'm terribly sorry for such inconvenience. 转 should be Zhuan instead of Zhuang, there is no "g". Pls note this.