Try multi-channel support and add SDK operation instructions

Publish Time:2024-12-01

Add SDK

indow.smartad_sdk && window.smartad_sdk() 
``
### SDK Call Timing
Call the above SDK when the install button (also called download button on some platforms) is clicked on the playable ad landing page.
### Download URL and Ad Platform Instructions
The business logic code does not need to handle app store URLs. The app store URL and advertising platform are configured in Step 3 of the [Playable Packaging] tool.