Multitask where you can, task switch when you have to, and focus on the job at hand as much as possible for the best results.

FORBES: Multitasking: Good Or Bad?

In such a sphere, you could be working on the same project and switch through any number of devices, before you switch to work on another task sphere.

FORBES: Tackling The Multi-tasking Work Environment

Probably, but Semmelhack points out that the second slot (covered behind a flap) is dedicated to loading the operating system, making it a trivial task to quickly switch between kernels or get unbricked.

ENGADGET: Bug Labs' BUGbase 2.0 prototype hands-on Hands-on