Casio V-REGI series Programming And Reference Manual page 20

2.3.3
V-R7000 features vertical display screen by Android setting.
If V-R7000 Android OS is set as vertical screen, the application is installed with
vertical screen automatically. To restore to horizontal screen, set Android setting to
horizontal screen and then install the sales management application.
14
About vertical screen
 Vertical screen is a new CASIO concept. Please try it.
 There is no vertical screen setting on V-R100.