No problem at all. If you can't do it then don't worry about it. People will have to lay down to their side or turn their arcade screen to vertical for Galaga or some other vertical games. cgwg probably doesn't know how to make it to auto flip yet. No worry.

Windows 10 Home 64-bit / AMD Radeon RX 5700 XT / AMD Ryzen 7 3700X 8-Core 3.59 GHz / RAM 16 GB