I was mainly asking for clarification about the Required device capabilities.
The documentation for iphone-performance-gaming-tier states:
Requires the graphics performance and gaming features equivalent to the iPhone 15 Pro and iPhone 15 Pro Max. Available in iOS 17.0 and later. Unavailable in visionOS.
There is no mention of iPads. I took a guess and removed ipad-minimum-performance-m1 and the beta is now installable on iPhone 15+ and apparently iPad M1+.
But it is very confusing that the iPhone requirement works for iPads but the iPad requirement prevents iPhones.
Topic:
App & System Services
SubTopic:
Hardware