Yes, this function is now available for Adult EZ-Link cards on both Android and iOS (version 13 and above) devices.
Step 1. Simply choose your EZ-Link Wallet as the preferred source of fund
Step 2. Choose your preferred top up amount
Step 3. Tap and hold your EZ-Link card at the back of your phone to sync
Step 4. Both your Wallet and EZ-Link card transaction histories will reflect the successful top up