After the initial setup has been done, you can now run the launchpad designer. The launchpad designer can be launched with the following URLs:
https://<server>:<port>/sap/bc/ui5_ui5/sap/arsrvc_upb_admn/main.html
https://<server>:<port>/sap/bc/ui5_ui5/sap/arsrvc_upb_admn/main.html ?sap-client=<client>&scope = <CONF/CUST>
We recommend the following regarding scope and client:
The launchpad designer is started in CUST mode if the scope parameter is omitted.
If you have any problems with loading the page, see Troubleshooting for launchpad designer.