Meier, JohannesOstendorp, Marie-ChristinJelschen, JanWinter, AndreasGómez, Jorge MarxSonnenschein, MichaelVogel, UteWinter, AndreasRapp, BarbaraGiesen, Nils2019-09-162019-09-162014https://dl.gi.de/handle/20.500.12116/25808While smartphone and tablet functionality is increasing, battery runtime goes down. Both users and software developers are not always aware of the energy consumed by applications. Without this information, users cannot choose energy-efficient apps to prevent battery drain. Awareness of energy consumption would also entice app developers to implement more energy-efficient apps to remain competitive. This paper presents a certification process and corresponding Android tool support for comparing apps regarding energy efficiency. It is demonstrated using notepad apps.Text/Conference Paper