[selectively]

The way you give your non-technical friends an APK and they just install it is by you signing it.

[snackbroken]

I should not have to enter into a business relationship with google just to hand my non-technical friend an APK any more than I have to enter into a business relationship with the Linux Foundation to hand my friend an AppImage.

[gowld]

But I want to let someone MITM my non-technical friend and repalce my APK with malware.

[xigoi]

And then having Google approve it, so hopefully your app does not do anything that Google does not like, such as block ads.