Smartphones have sparked a huge, new software segment--the mobile app. They have also changed how traditional desktop software is being designed and developed. This creates an important pair of questions for user assistance professionals: What is our role going forward in mobile and how can we prepare to take that on? User assistance does have a role in supporting mobile apps. This workshop is designed to provide an introduction to key topics and also to foster discussion on the best ways to design our content for this new paradigm. As the mobile market continues to expand, this is becoming the next frontier for user assistance professionals.