How to add an administrator for Apple (Appstore)
1st · Go to developer.apple.com and click in the "People" option inside the dashboard.
2nd · You'll get redirected to https://itunesconnect.apple.com/access/users, once you are here you have to click in the plus "+" icon, a pop up will show and you have to fill all the information necessary.
3rd & last · add email@example.com as an admin for your Apps, we are going to create the Apps in less than 5 working days after we get the forms,
Also, you don't have to keep the same password as you initially did, you can change it if it makes you feel comfortable 😁.
Make sure it looks like this
How to add an administrator for Google Play (Play Store)
1st login your Google Play console https://play.google.com/apps/publish/
2nd Go to Settings > Users & Permissions > Invite new users and follow the onscreen instruction to set permissions.
3rd Use the "Role" selector to choose the admin role.
4th Choose whether each permission applies to all apps in your developer account ("Global") or specific apps. To add an app to the permissions table, use the down arrow next to "Add an app." To see details for each permission, review the permission definitions section.
5th Send the invite to firstname.lastname@example.org