Pilot the Use of VA Make the Connection Campaign to Facilitate Help Seeking Among Vulnerable Veterans

Inclusion Criteria: Veterans of all gender/sex, race/ethnicities that in the past 6 months: * utilized health services in the U.S. Department of Veterans Affairs (VA); * screened positive on the PHQ-2, AUDIT-C or PC-PTSD and/or received a mental health diagnosis as documented in VA medical record * Fluent in English language * Capable of understanding goals of study * Capable of providing verbal consent * Willing and able to download/use study Android mobile application for duration of study Exclusion Criteria: * Not a U.S. Veteran who has utilized VA health care in the past 6 months * Did not screen positive and/or was not diagnosed with mental health disorder * Determined cognitively impaired and unable to provide verbal consent * Determined to be in high distress during recruitment screening * Currently institutionalized (i.e., hospitalized; incarcerated, etc.) * Unwilling and/or unable to download and use use the study app