If you ONLY want to change the app "Display Name", this is the name that appears on the users iPhone when they download the app.
1.) Go to your info.plist and add a new line, set the Key to "Bundle Display Name."
2.) Enter whatever name you would like up to 12 Characters. This can include ANY character you want. i.e. +_)(*&^%$#@!
If you ever having issues with the app name not matching with the name setup in iTunes Connect then double click slowly on the Xcode Project name on the top left. Change this name and a window will pop up asking you to rename the whole project, select yes and the name of your project will be change. This is where you need to make sure the names match in both Xcode and iTunes Connect.
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