happy go點數可以幹嘛關於「happy go卡號查詢」標籤，搜尋引擎有相關的訊息討論：
HAPPYGO卡友登入_HAPPYGO_快樂購www.happygocard.com.tw › cardMember › cardMemberBankBooksHAPPYGO卡友登入www.happygocard.com.tw › sso › cardMemberLogin點點成金有購好兌-GoHappy快樂購物網shopping.friday.tw › event › happyplayland › 201707_point金石堂網路書店x HAPPY GO 4點抵1元折抵無上限www.kingstone.com.tw › events[PDF]