21–30 April 2026: KOI Thé Malaysia: Free Jumbo Topping Mobile App Promotion for KOI Members Limited-Time Beverage Upgrade Deal KOI Thé Malaysia is offering a limited-time FREE Jumbo topping upgrade for KOI Members ordering via the mobile app from 21–30 April 2026. A simple yet rewarding bubble tea promotion available at all outlets in Malaysia (excluding Johor). Read more
