Your active Rewards are displayed as separate cards on the Roamless app landing page.
The Reward that's currently being consumed for data usage will be highlighted.
You can also see other Rewards you have received on the landing page.
Please note that once the reward expires, it will disappear from the landing page (indicating that it is no longer consumable for data connectivity).
You can see also see the full list of promo codes you have submitted as well as the rewards you have received in the Roamless App.
Open the Roamless app
Go to Profile tab
Click on My Rewards to see your active and past rewards
Click on Promo/Referral Codes to see the codes you've submitted in the app