here i have the ibo app store and panel i have tested this app and it works perfectly i have changed the url to search for and the sdk version here are the files for downloading

search for

https://appsnscripts.xyz/

replace with url like this
https://appsnscripts.xyz/api/store.php

i used mt manager to edit the url and sdk version but apk editor master for changing the artwork
 PHP 7.2