Done [with caveats]. You can compile and sideload any software yourself using XCode and an AppleID. I run Gamma Thingy (a f.lux alternative) on my non-jailbrok

Done [with caveats]. You can compile and sideload any software yourself using XCode and an AppleID. I run Gamma Thingy (a f.lux alternative) on my non-jailbroken iPhone. You can compile and run emulators, use any private API, whatever. Those apps will just never be in the App Store.