Offer was also running last month, but is running again.
For a limited time, top-up your mobile phone plan at Lazada and get 10% off on all your top-ups. Only MasterCard and Visa payments are accepted.
Seems like this is still valid. Good deal but can't upvote it lol
In fact this deal is probably relevant and usable by ozbargainers who are using StarHub for Happy Roam