Earlier quoted context omitted.
Those VISA/MasterCard rules can't be universal because there's at least one bank issuing merchant terminals that run Android and take the PIN on the touchscreen: https://www.commbank.com.au/business/merchant-services/eftpo...
Clover CEO here. Won't comment on a competing device but this may not work the way you think. In Clover's approach the touch controller input isn't reaching the Application Processor running Android when in PIN entry mode. You can do patent search if you're interested.
The general problem with most "industry security" approaches is that they simplistically attempt to wrestle ultimate Godmode-control for themselves, rather than working towards eliminating it.