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Mobile technology has become the leading utility in the social and well-being of people especially in low-resource settings. The use of mobile applications in healthcare promise to improve care and treatment. This study explored the user experience of muzima mobile application among community health workers in Rwanda. We used three data collection methods: observation, Key informant interviews and focus group discussions. We analysed data using thematic content analysis. We found that users were able to complete tasks in the app although some less experienced and older participants struggled to complete the tasks. Users felt that the application helped them to screen and manage patients with diabetes and hypertension in the community which reduced frequent visits to the health centers. Users felt that the application needs improvements in the workflow to facilitate the ease of use. They suggested to digitse other health programs implemented by community health workers. To improve the use and ensure wider implementation, there is a need to consider users' needs and concerns as discussed in this paper.

Mobile health applications can help to disseminate educational health interventions and be widely used. However, mobile health applications not carefully developed will likely not be adopted by the intended users. This paper describes the methodology used to develop a mobile health application for teaching critical thinking about health to youth attending youth friendly centres in Rwanda. The app includes the adapted content of a children's "health choices book". We adapted the book into audio podcasts to fit the context of young adults. The application was developed following a framework for developing mobile health applications. The framework follows three theories: health belief model, the theory of planned behavior and technology acceptance model. We developed an Android based application which can be freely accessed in the Play store. The content in the app explains the need for critical thinking, the 10 audio podcasts, the support, and chat window where users share their experience of using the app. The app will be piloted in two youth centers in Rwanda.