How did you manage to get on a software engineering Masters course if you can't/ aren't really willing to engineer software?
You could do some research on mobile technology in hospitals. what research has already been done, what mobile technology is currently use and reasearch into the future of mobile technology in hospitals/ health care systems.
You could also look into other subjects such as complete cross-platform cloud based computing (things like being able run/ create/ edit the same application/ files on different platform (tables/ smart-phones/ desk-tops).
There will already be a lot of material on both subject so you should be able to find articles and white papers no problem.