Welcome, you can change package name of app in screen1 , in properties you will find package name change option just paste your old package name there and done
Hi @otro_enigma. Welcome to the Community! To start, before creating a new topic, please use the search feature in the top right corner next to the message icon to the right of it or to the left of the menu hamburger icon. Since you’re new here, you do not have to follow this for this post, but I’m just telling you now before you get backlash in a few months after forgetting if by any chance you do. Again welcome and have fun ! Since your question was proper, you probably won’t need the below link, but I’ll add it anyway.