This book constitutes the refereed proceedings of the 9th ERCIM Workshop on User Interfaces for All, focusing on Universal Access in Ambient Intelligence Environments, held in K?nigswinter, Germany, in September 2006.

The 27 revised full papers presented together with 2 invited lectures were carefully evaluated and selected during two rounds of reviewing and improvement. The papers are organized in topical sections on interaction platforms and techniques for ambient intelligence, user and context awareness, inclusive design and evaluation, as well as access to information, education and entertainment.