Terms

The operator is MCC Technology Limited, UNIT A2, FLOOR 19, MAX SHARE CENTRE, 367-373 KING'S ROAD, NORTH POINT, HONG KONG.
DuoFlip is a free site with no account.
Answers are not submitted to the operator.
The question bank belongs to the operator.
The game is not advice.
Google supplies the ads.
This site is not directed at children.
The site is offered as is, without a warranty.
Hong Kong law governs these terms.