There are some language where text must be written in vertical direction, like Manchu and traditional Mongol. There are also some language where text can be written in vertical direction, like Chinese and Japanese. However, it is currently impossible to write a note with those text flowing vertically. Please consider include this function into evernote.
How some of those text would look like in a program with proper support: https://p9.zdusercontent.com/attachment/212433/y8cyEtZVBpWcsk8E6ru5jFVdl?token=eyJhbGciOiJkaXIiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0..c8wQBgUDdu0pkv4G_Hl8Bg.H_EAR-VxBTXr3J3JI9