biostudies-literatureUnknown10(3)Almeqbaali M<h4>Background</h4>Following the outbreak of COVID-19, several studies have reported that young adults encountered a rise in anxiety symptoms, which could negatively affect their quality of life. Promising evidence suggests that mobile apps with biofeedback, serious games, breathing exercises, and positive messaging, among other features, are useful for anxiety self-management and treatment.<h4>Objective</h4>This study aimed to develop and evaluate the usability of a biofeedback-based app with serious games for young adults with anxiety in the United Arab Emirates (UAE).<h4>Methods</h4>This study consists of two phases: Phase I describes the design and development of the app, while Phase II presents the results of a usability evaluation by experts. To elicit the app's requirements during PJMIR serious gamese36936https://www.ebi.ac.uk/biostudies/studies/S-EPMC9382548biostudies-literatureA Biofeedback-Based Mobile App With Serious Games for Young Adults With Anxiety in the United Arab Emirates: Development and Usability Study.PMC9382548Serhani MAAmiri LJan RKAlmheiri EOuhbi SAlmeqbaali MAl Helali AZaki NSharaf AfalseA Biofeedback-Based Mobile App With Serious Games for Young Adults With Anxiety in the United Arab Emirates: Development and Usability Study.<h4>Background</h4>Following the outbreak of COVID-19, several studies have reported that young adults encountered a rise in anxiety symptoms, which could negatively affect their quality of life. Promising evidence suggests that mobile apps with biofeedback, serious games, breathing exercises, and positive messaging, among other features, are useful for anxiety self-management and treatment.<h4>Objective</h4>This study aimed to develop and evaluate the usability of a biofeedback-based app with serious games for young adults with anxiety in the United Arab Emirates (UAE).<h4>Methods</h4>This study consists of two phases: Phase I describes the design and development of the app, while Phase II presents the results of a usability evaluation by experts. To elicit the app's requirements during P2022-01-01T00:00:00Z2022 Aug2025-04-19T05:56:19.715Z2025-04-19T05:56:19.715ZS-EPMC93825483591669210.2196/36936