# Key pages

This chapter introduces key pages in Alipay+ Developer Center to help you better navigate the platform. Read each section below to learn about what tasks you can conduct on the corresponding page.

## Summary

On the **Summary** page, you can:

-   Check your application information, such as application type and creation date.
-   Add or remove payment products if the application is not launched.
-   Delete the application if the application is not launched.
-   Read the instructions on the integration process.

## Acceptance Test

On the **Acceptance Test** page, you can:

-   Execute test cases to finish the sandbox acceptance testing. For step-by-step instructions, see [Conduct sandbox acceptance testing](conduct_sandbox_acceptance_testing).
-   Track the test status and progress of each test suite.
-   Upgrade the test suites to the latest version if necessary.

## Alipay+ MPP SDKs

On the **Alipay+ MPP SDKs** page, you can:

-   Download the Alipay+ MPP Client SDK.
-   Download the Alipay+ MPP Server SDK.

For more information, see [Alipay+ MPP SDKs](sdk).

## Alipay+ Linker Merchant

On the **Alipay+ Linker Merchant** page, you can:

-   Download and install the Alipay+ Linker Merchant app onto your mobile device. For more information about how to use it, see [Alipay+ Linker Merchant User Guide](../amerchant_user_guide).
-   Simulate the process of accepting payments on the merchant side. For step-by-step instructions, see [Alipay+ Linker Merchant](amerchant).

## Launch

On the **Launch** page, you can:

-   View the status of each task and take further actions by following the instructions.
-   Check items in the **Go-live Checklist** to ensure a smooth launch.
-   Launch the application into the production environment.

For more information, see [Launch into production](launch_into_production).