Abstract
Nowadays, the mobile technology is growing up rapidly and most of students have Smartphone devices. It's the right time for university libraries to build new ways to distribute their services to Smartphone so their students can access them anytime anywhere. Accordingly, King Abdulaziz University library moves forwards allowing students to access library services through mobile. The digital library is very important for distance learners who interested in library resources. The research aims to recognize mobile library services from the context and outline. It analyzes the challenges that the current library services are facing such as, do distance learning student's familiar with library services offered? Do mobile user interface of the library provide students with services needed? The project evaluates the usability of the resulting of mobile services.