RecruitingBehavioural interventionFeasibility, Acceptability, and Preliminary Efficacy of a Novel Personalized Mobile Intervention for Suicide - Open Trial (2)The primary aim of this grant is to conduct pilot testing on a novel personalized mobile intervention for suicide - Mobile Application to Prevent Suicide (MAPS) - and to establish feasibility, acceptability, safety, and primary outcomes (i.e., suicidal ideation and behavior; re-hospitalization).