Group 1 - The "China Construction Bank" App provides convenient access to social security information, allowing users to view their electronic social security card and check pension details, insurance payments, and employment services [2][9]. - Users can easily search for social security services within the app, enhancing the overall user experience [6][9]. - The app also offers a feature for users to accumulate tasks and receive rewards, promoting engagement with the platform [5]. Group 2 - The app facilitates online queries for social security account changes, making it easier for users to stay updated [3][4]. - Users can access various social security services, including payment information and proof of insurance, directly through the app [9].