MAUSE-COST294 is a community of interest with its mimbers sharing a common goal of bringing more science to bear on usability evaluation methods. This goal is being realized through systematic collaborative efforts of a nework of usability experts and learners. Scientific activities are being coordinated under the respective frameworks of four Working Groups (WGs) with each of them having specific objectives, inputs and anticipated outputs. Further, MAUSE partners' research projects on usability will be integrated into the WGs. Specifically, several partners are actively involved in researching the usability of mobile user interfaces. Usability evaluation, Quality models, Multi-site experiments, Meta-analysis, Defect classification, Mobile user interfaces.