New Guy here with a general question about HE

Are those running on your RPi? I am curious about how those 7" screens are working. An alternative that I've been discussing with people in some other threads is using an inexpensive tablet like the Amazon FireHD and running an application called "Fully Kiosk". I was able to purchase the tablets in the US for around $50 with special offers and then root/disable most of the apps and change the launcher.

Here are some threads on the subject: