How do I provide feedback and suggestions to improve the app? NTUC Link July 12, 2019 02:42 Updated You may write to us via the Plus! app "Contact Us" button in the "Accounts page". Related articles The mobile app is not responding - who should I contact? My deal/stamp card has expired. Can I still use them? Can I use my phone like a Plus! card by tapping it in store? My LinkPoints are not credited. What should I do? Card Replacement - What should I do if my Plus!/ NTUC Plus! card is damaged, lost or stolen?