Papers about Mobile Applications Development

Communications of the ACM has its last issue about designing mobile device experiences. Relevant paper around (only of you have the ACM subscription):

Why do I blog this? there seems to be a momentum about designing mobile applications and user experiences; especially about 3 fields: work, learning and games. The articles in this journal cover a relevant rang of topics; I was more interested in the one about user-centered design to mobile application development, but the others depicts other viewpoints that people are not always aware of.