1- Open Project In Unity (Unity has to be 5.4.3 or higher)
2- Open Splash Scene from scenes folder
3- Click On Ad Controller and switch ad IDs. Click on chartboost menu from top and click on edit settings and change ad ids
4- Switch coloring images from sketches folder. Goto UI->sketches and switch all 8 images
5- Change bundle identifier from build settings, change name, icon and splash screen
6- Export and run in xcode.