The person to whom I was replying was talking about Cocoa Touch, so this was about iOS, not macOS. If it interests anybody, the specific example was Pokémon Go'

The person to whom I was replying was talking about Cocoa Touch, so this was about iOS, not macOS. If it interests anybody, the specific example was Pokémon Go's text fields which _do_ respond to Cmd-V, but I can't long press to get Copy|Paste to show up.