We were building a interface for a multi-touch table (9 meter per 1.2m) , so basically a device on which you could look on a lot of different angle, for which m

We were building a interface for a multi-touch table (9 meter per 1.2m) , so basically a device on which you could look on a lot of different angle, for which most GUI framework are not suitable as they have a strong opinion on what is "top" and what is "bottom" , while kivy easily permitted us to have different widget rotated