ManageEngine OpManager  is a network management platform that helps large enterprises, service providers, and small to medium-sized enterprises (SMEs) manage their data centers and IT infrastructure efficiently and cost effectively. Automated workflows, intelligent alerting engines, configurable discovery rules, and extendable templates enable IT teams to set up a 24x7 monitoring system within hours of installation.

Android App for OpManager (OPM)

You are only able to access your machine setup using this app if you're already running OpManager on-premises. This app helps data center administrators stay connected to their IT and access it from anywhere, anytime. It offers quick access to OpManager to view the performance of  devices and troubleshoot faults instantly. This app is not stand-alone.

Key features:
* Lists all the devices in your network based on category
* Lists alarms and their cause based on the time and severity (Critical, Warning, or Attention)
* Lists all the down devices and their corresponding alarms in your network* Search for a particular device in your network and know its detail and status
* Perform Ping, Traceroute, and Workflow actions on devices
* Perform actions such as Clear Alarm, Acknowledge Alarm, and Add Notes on alarms
* Support for HTTPS
* Active Directory authentication
* Push notifications
* Wifi-Analyzer integration
Want to try OpManager on-premises? 
https://www.manageengine.com/network-monitoring/download.html?appstore

App also supports OpManager Plus.

You need to run ManageEngine OpManager server to work with this app.