You can find all your apps from the following URL: https://dashboard.callstats.io/organizations. All the Apps are listed in this view. You can click on apps button on your org to see all apps in your org.
To find your App secret, click Settings, and navigate to the Security tab. You can create or view the App secrets of your App with Endpoint Type as "Application" for Web/Native applications and Endpoint Type as "MiddleBox" for SFU or MCUs or WebRTC Gateways.