東かがわPay is a dedicated cashless payment application designed for smartphones, enabling users to make payments without using cash. By scanning QR codes displayed at participating stores, users can easily complete transactions. The app's payment functionality includes steps for inputting purchase amounts and confirming them with store staff before finalizing the payment.

In addition to payment capabilities, 東かがわPay offers various features such as notifications from local businesses and the city of Higashikagawa, allowing users to stay informed. The app also includes a merchant search function, enabling users to filter by industry and view store locations on a map. Additional features and information can be accessed within the app, enhancing the overall user experience.