The code is fully open source so you are welcome to take it and make it your own.
The repository is available on Github here: https://github.com/mbientlab/SOSTrigger
The project is compiled in Eclipse with compiler comliance level 1.7. It is targetted for SDK 19 and requires, at minimuum, SDK 18. You will need to have the files for SDK 19 (Android 4.4.2) as well as an install of Java 7.