The Taichung Pass and Shopping Festival APP provides integrated municipal services, such as: latest trends, digital citizen virtual card, single sign-in, personalized service, life welfare information, payment and payment, good health discounts, etc. In addition, it combines the relevant functions of the "Taichung Shopping Festival", including the latest news, login invoice (scanning and manual login), cooperative stores, invoice records (lottery tickets, cloud invoices, online prize redemption)