API status: In Development
App Suite is designed to work on all device types and sizes. The UI uses responsive design principles to scale nicely on each device size. We do define three display sizes to macht the majority of devices. These are simply named "small", "medium" and "large". Theses classes are used to match smartphones, tablets and desktop PCs. If you are developing a app for App Suite make sure it runs nicely and looks great on all of these three device categories. (If you are not familiar with latest CSS techniques and the principles of responsive design you should have a look at this article).
The _.device function
We extended underscore with a new function called _.device