Table 1.

Activity formats and descriptions of the content delivered in Foundations.

Activity	Number of activities	Type of content	Description
Slides	12	Psychoeducation	Comprises individual screens of 1-2 sentences that the user swipes through. Usually 10-20 screens
Article/blog	13	Psychoeducation and tips	User scrolls through to read. Typically 0.25-1 of A4 page in length
Add record	10	Journaling/reflection	User can add free text (eg, thought records or gratitude journaling)
Label record	5	Journaling/reflection	User selects a record created by the “add record” feature and can choose a theme label
Question record	5	Journaling/reflection	User selects a previous record and is asked a series of questions about the record. There is a free-text box for the user to write in
Record review	4	Journaling/reflection	Log of record entries
Audios	17	Mindfulness/meditations	Mindful meditations (5-8 min), sleep meditations (30 min), relaxation techniques
Ambient sounds	8	Ambient sounds	30-min relaxation sounds and soundscapes (eg, waves, rain)
Quiz	6	Interactive psychoeducation	Reinforces psychoeducation with two-choice answers
Game	1	Spatial working memory game	The user has to recall spatial sequences