This issue features selected papers from the International Conference on Advances in Mobile Computing and Multimedia (MoMM2008) held in Linz, Austria, in November 24–26, 2008. A number of important achievements marked the sixth edition of MoMM, including being endorsed by the ACM SIGMM and the proceedings is published by the ACM press making it available in the ACM Digital Library.

This year, Multimedia Tools and Applications (MTAP) has agreed to publish the extension of MoMM2008 best papers appear in a special issue. A special thanks to MTAP Editor-in-chief, Professor Borko Fuhrt for this opportunity. We hope this current issue is a starting point of the future collaboration between MTAP and MoMM conference series.

Five papers are included in this issue. These papers have been extended from their original versions presented at the conference. The authors come from Albania, Austria, France, Germany, Japan, Spain and USA, which indicates the global audience of MoMM conference series and MTAP readers.

As general co-chairs and program co-chairs of MoMM2008, as well as the guest editors of MTAP special issue of MoMM2008, we would like to congratulate the authors of papers appeared in this issue for their achievements in MoMM2008 and their inclusion in this issue of MTAP. We would also like to thank the PC members of MoMM2008 who conducted the initial reviewing process for the conference and the MoMM2008 award co-chairs for selecting the best papers.