Abstract: Contextual data brings new open doors for productive and compelling applications and services on mobile devices. A wide variety of examinations have abused context dependency, i.e. relationships in the middle of the context (s) and outcome, to achieve enormous, evaluated performance, A range of applications and services. This work generally needs to manage the difficulties of many contextual sources, resulting in inadequate data preparation and the difficulties of context sensors starved by energy. On a regular basis, they address these difficulties in a particular and specially designated application. We offer mobile application planners and analysts from these weights by providing a systematic way to cope with these challenges. More precisely, we 1) characterize and measure the contextual dependence of three types of mobile use (by site, phone calls and application usage) in a free mode of demand, but viable, Possible application. 2) Adapt to the condition of evaluation of the state of evaluation when managing various contextual sources effectively. 3) Introduce Android based Smart Context to meet the energy challenge by choosing from among the sources of context while guaranteeing a basic accuracy for each estimate. Our review and discoveries depend on the usage and context follows the collection, in reality, of the different Android client settings. We show findings with respect to the context dependence of three types of mobile usage of different clients, but our philosophy and the lessons we learn can quickly be extended to different kinds of use and, in addition, the assets of frame. Our findings control the improvement of contextual frameworks and highlight the difficulties and assumptions regarding the contextual dependence of mobile use.

Keywords: Mobile computing, mobile applications, human factors.