This chapter discusses mobile application compatibility as one of the main
quality characteristics. This chapter explores mobile operating system compatibility
and discusses how a mobile application can be compatible. It mainly focuses on the
most suitable application to blend within environment configuration. It also discusses
the backward and forward compatibilities and focuses on the sustainability of the
application. Finally, the chapter discusses conforming standards of the application.
Keywords: Application Sustainability, Backward Compatibilities, Compatibility,
Environment Configuration, Forward Compatibilities, Mobile Application,
Performance, Qualitative Characteristics, Suitability.