OK, but a phone OS that doesn’t run APKs is deaf on arrival.
A phone that doesn’t run iOS apps is dead on arrival.
Running APsK is possible even if you’re not Google. Running iOS apps is not.
That is clear.
What I’m pointing out is your absolutist view on success may be wrong.
If it doesn’t support J2ME it’ll be dead on arrival.
If it doesn’t support iOS apps, it’ll be dead on arrival.
If it doesn’t support .exe it’ll be dead on arrival.
If it doesn’t support APKs it’ll be dead on arrival.
“You could trivially build such a system by getting an FTP account”. Shared storage doesn’t replace USB sticks, it’s dead on arrival.
You’re playing games. I just tell what everybody could see from the experience of non Google/Apple phone OSes (hello Windows Phone !).
The windows phone failed for completely different reasons, lol. It was actually bad.