Ron Sharma wrote:
The very first step you should do is take the legal permission to build the app from the original develpers of the game in order to not get into any copyright claim later on.
The content matters a lot any false claims/information or any improper or offensive content won't be allowed. Appropriate meta tags must be used only Public APIs may be used in your app. You may want to read this - https://developer.apple.com/app-store/review/guidelines/
Ron Sharma
Appvalley Tutuapp Tweakbox