> @alanjosephwilliams says it should be "Trails" as you said.

Oh, ha! I remember seeing this display name being added a while back and incorrectly assumed it was correct, so nevermind me :P

> I assume ${PRODUCT_NAME} is an environment variable that will be converted to Trails somewhere.

Yep, but it's not Cordova-specific. It's an Xcode thing. Or at least I assume Cordova is leveraging Xcode build to do that. I'm more familiar with native iOS dev than phonegap, honestly.