An update on the bank holiday weekend challenge.

After a chat with a contact about this challenge. It has been suggested I post more about it. So here goes.
The basics are still the same:
In order to get the weight down and get it all in one bag i’m considering travelling with just an Android tablet. Ok its a Motorola Xoom 32GB with a 32 GB MicroSD card on board.
So how do we do this? What Apps are essential on an Android device for a jaunt such as this? What should be junked? Am I crazy? Can it be done? Will it be good enough for business?
What I am trying to do is replace this:

with this:

Can it be done?