The Development team is working with Apple to have the app restored as soon as possible.
ETA: No ETA yet - Development is working on rebuilding the app (DE399563)
Access UMP With CA Unified Infrastructure Management Mobile
https://techdocs.broadcom.com/us/en/ca-enterprise-software/it-operations-management/unified-infrastructure-management/9-0-2/configuring-and-viewing-monitoring-data/access-ump-with-ca-unified-infrastructure-management-mobile.html