It's very easy to customize your iPhone or iPad application icons with iCustom !
You just have to go on the iCustom configuration page and follow the instructions to configure a shortcut with a custom icon and add it to your homescreen.
If you have some problems during configuration, tap the « » help icons to have a detailed contextuel help on each configuration item.
You can also watch the tutorial videos I've made about iCustom.
To finish, you'll find below some common problems or questions you might have while using iCustom :