The switch was actually relatively painless when it comes to the apps themselves, the biggest problem I have is the phone itself. Iphone has inconsistent UI/shortcuts and lots of hidden gesture based inputs that you just got to know to be able to use. I'm really tempted to switch back but the google tracking keeps me away for now.

So there are some who are in the market for both :)

The developer cut/price of apps is really low on my list of reasons to switch from one to another though so you got a good point there. I'm actually trust an app that costs 100 NOK (€10) more than a 10 NOK one since they will have less incentives to do shady things.

But generally yes I agree that it can't be all that big a difference.

I expect that developers for the Play store and App store are two sets with a big overlap

This is why my theory for this blatant copying is for regulatory reasons. The app stores are under scrutiny right now and it is best for Android, which has very large market penetration with the Play Store, to make it look like Apple is in control of the market. Just my theory.