You might like to look at including information on Eskayan. It's an apparently constructed language spoken on Bohol in the Philippines, with its own constructed script. The unique and intriguing thing about the Eskayan language and script is that they have been adopted by the whole community there as an auxiliary language and script that form part of their cultural identity vis-à-vis the rest of the Philippines. Wikipedia has an article here:

http://en.wikipedia.org/wiki/Eskayan