Restarting, retrying or fixing an app you already have
If you ask me to restart a build, try something again, or fix one of your apps, I work on the app you already have. Your data stays where it is, and you don't end up with a second copy under the same name.
If it sounds like you're asking for a new app that matches one you already have, I'll usually check first: you'll get a quick question with two buttons, one to change the app you have and one to build a separate app. Nothing is built until you answer. If you choose a separate app, the approval card says so, so you always know which one you're agreeing to.