Table 3.

Themes from interviews and focus groups.

Key themes	Subthemes from interviews	Subthemes from focus groups
1: Needs and aims	Accessibility and target group	Increasing awareness and tackling stigma
	Increase awareness and tackle stigma	A lack of resources for young people
	Lack of resources for young people	Embrace digital technology as a medium that’s relevant for young people
	Need to engage young people	Diversity
	Embrace a medium that’s relevant for young people	Need to target parents, carers and families
	Promote self-management or autonomy
	Accessible for a diverse range of users
	Young people find it difficult to talk to adults
	Help for parents, carers, and professionals working with young people
2: Design issues	Harnessing multimedia to engage the user	Harnessing multimedia to engage the user
	Harnessing multimedia to communicate information	Multiplatform use and app
	Multiplatform approach and app	Clear structure, navigation, and distribution of information
	Clear structure and navigation	Language
	Language issues	Characters and avatars
	Characters and avatars	Imagery and metaphors
	Using metaphors to develop a relationship with the problem	Moodboards
	Color	Gaming element
	Images of heads and brains	Personalizing the space
	Gamification	Monitoring tool
	Personalizing the space	Technical aspects—security and confidentiality and use of forums or social media
	Monitoring tool
	Forums, security, and confidentiality
3: Content issues	General approach	General approach
	What are mood, well-being, and depression?	What are mood, well-being, and depression?
	Possible reasons for low mood and depression	Other difficulties related to low mood and depression
	Prevention and self-management	Causes, reasons and risk factors
	Where to get help	Prevention and self-management strategies
	Section for parents, carers, friends, and professionals	Where to get help
		Information for parents, carers, and professionals
4: Integration and context	Use of the program with others (eg, parent, friend, professional)	Use with parent, carer, friend, and professional
	School and education services	Use within education and health services
	Health and other services	Name, branding, and promotion
	Name, branding, and promotion