MDMApp (Mobile Device Management app) Used to monitor and manage remotely mobile devices. For example locking split-screen, blocking safe mode boot, enabling branding logo in the lock screen, remotely configuring IMAP email... Most likely related to KNOX https://www.samsungknox.com/en/solutions/it-solutions/knox-manage https://developer.samsung.com/tech-insights/knox/mobile-device-management
Phones target this application