Following disasters or emergencies, the PFA MobileTM app can assist responders who provide Psychological First Aid (PFA) to adults, families, and children. Materials in PFA MobileTM are adapted from the Psychological First Aid Field Operations Guide (2nd Edition). PFA MobileTM allows responders to review the 8 core PFA actions, match PFA interventions to specific stress reactions of survivors, hear mentor tips for applying PFA in the field, self-assess to determine their readiness to conduct PFA, and assess and track survivors