Since we are installing Kodi on your Apple devices, by signing it with Apple developer certificates, we can offer you facilities to sign your own Apple TV apps and install it just like you did with Kodi.
Currently we do not provide facility to sign iPhone/iPad apps, due to potential copyright concerns.
And we will not be held responsible for anything you install and use on your Apple TV.
Here is the link for our Apple TV customers to sign their own apps:
Maximum 150M IPA file upload allowed.