1. Display system This system is mainly divided into two modes: mall bookshelf and my bookshelf.

The mall bookshelf provides product display for merchants. Users can download their favorite magazines, literature, food and other publications and add them to their bookshelf.

2. Online payment function In these applications with sales elements, the online payment function is indispensable.

By adding various payment forms to the application, developers provide a convenient payment environment between merchants and users, which is more conducive to stimulating the consumption enthusiasm of potential users.

3. Subscription function: According to the subscription time period, the service form can be divided into single-issue subscription, monthly subscription, quarterly subscription, and annual subscription.

At the same time, in order to facilitate merchants to count users' subscription content, developers have added a user system to the application. This system will intelligently count users' subscriptions and facilitate merchants to manage their subscriptions.

4. Preview function This function is similar to the preview function on the PC. In each product, by setting the preview chapters, users can check the quality of the content before purchasing and decide whether to purchase.