Layout in Right-to-Left (RTL) Mobile Apps

I'm designing a bilingual app in the Middle East that's in both Arabic and English.

I know that part of localizing an app is flipping the content (among other things). My question is, do you flip the content only or do you flip the entire app controls too?

So in the second screen only the content in the white space is flipped and the title. In the third screen, the back button is placed on the right side and an action button is placed on the left.

Any thoughts from any Arab brethren or Jewish cousins on this would be very helpful. If you have any feedback about the development too and whether something is doable in iOS but not done in Material or any such difficulties, then I'd really appreciate it.