I have followed both sets of instructions here : https://wiki.ubuntu.com/Nexus7/Installation but both methods are installing the Ubuntu Desktop to the device? This is quite an impressive feat on its own, but I have seen videos of people using the phone UI on a Nexus 7? Is there an alternative install that I can try to achieve this?
Because you followed wrong tutorial.
That was to install ubuntu desktop on nexus 7.
Here is the actual,