up arrow shows the tutorial right arrow hides the tutorial down arrow is enter left arrow is backspace use any letter/symbol (including and kinda limited to: < > , . ? / : ; " ' { } [ ] | \ _ - + = ! @ # $ % ^ & * ( ) ~ ` [space] ) if you have a keyboard that types non-alphanumeric that are not listed here it will not work but it can probably be added to the list of input symbols to make it work.
