A smartphone, or smart phone, is a mobile phone built on a mobile operating system, with more advanced computing capability and connectivity than a feature phone. The first smartphones combined the functions of a personal digital assistant (PDA) with a mobile phone.

Diversity in smartphone usage
Smudge attacks on smartphone touch screens
Smudge attacks on smartphone touch ^ screens
Augmented smartphone applications through clone cloud execution
An analysis of power consumption in a smartphone
Taming information-stealing smartphone applications (on Android)
Taming Information-Stealing Smartphone Applications (on Android)
The Smartphone in Medicine: A Review of Current and Potential Use Among Physicians and Students
Detecting repackaged smartphone applications in third-party android marketplaces
Acceptance and adoption of the innovative use of smartphone