Nowadays the number of mobile device usage is rapidly increasing. For instance, in 2013, over
967 million units of smartphone were sold to consumers (The Statistic Portal, 2015). Mobile
devices such as smartphones and tabs are popular since the proliferating of mobile social
applications. Most managers, including librarians use their mobile application such as traveler
applications, business apps, and communication apps through mobile devices for varied
purposes. In order to fulfill information needs many managers (librarians) use their smart phone
devices regardless of space, time and geographical location. Mobile device becomes the must
item as it is always ready for use and become a popular way for users to full fill their information
need by interconnection, contents and self-expression via mobile applications.