Below are a number of sample ASE projects from previous years. They give an idea of the range of projects people undertake on the MSc ASE.

Patterns: the dark side by Paddy Fagan
Multi-criteria Optimisation of Non-negative Matrix Factorisation Problems Using Pareto Simulated Annealing Techniques by Kevin Foley (Google Excellence Award 2010)
ExAgent: an agent oriented language for the BEAM virtual machine by Omar Abdelhafith (Microsoft Excellence Award 2017)
Parkabled by Sai Krishna (Microsoft Excellence Award 2016)
GeNIE: A Portal for Gamification of Higher Education by Cagri Cubukcu (Google Excellence Award 2015)
Evaluating Near-Duplicate Detection in Twitter by Damilare D. Fagbemi (Google Excellence Award 2014)
State Machine Design, Persistence and Code Generation using a Visual Workbench by Séan Fitzgerald (Google Excellence Award 2013)
Text Me My Bus: a web app for commuters by Karl Connon
From Customisable Software to a Software Product Line: an Experience Report by Gerard Quilty
A Comparison of Android and iOS application development by Máire Regan (Google Excellence Award 2012)
Automated Refactoring for Testability by Dermot Boyle
A Study of Decoupling Constraints in Open-Source Software by Robert Mujica
An Exploration of General Purpose Programming on Graphics Processing Units by Fergus McCann (Google Excellence Award 2011)