"~" directory in home directory

[RocketRide9]

There is '~' folder in my home directory. Judging by it's content, it was created by this app.

 ~ tree -a '~'
~
└── .var
    └── app
        └── com.toolstack.Folio
            └── data
                └── .trash
                    ├── pile
                    │   └── something
                    ├── sss
                    └── TD
                        ├── something
                        ├── something
                        ├── something
                        └── something

9 directories, 5 files
 ~ pwd
/home/dell

probably it wasn't mean to be here

[toolstack]

Duplicate of #112.