Sony made a tablet like this ("Tablet P") some years ago, even made sure that their builtin apps (email, calendar etc.) would recognise the two screens and spli

Sony made a tablet like this ("Tablet P") some years ago, even made sure that their builtin apps (email, calendar etc.) would recognise the two screens and split the UI properly. I had one of those tablets and it was fun for a while, but ultimately was a total flop.