How to Control Mac From Your Android Device

Download VNC viewer for your Mac
https://www.realvnc.com/download/get/1797/
Download VNC viewer for android
https://play.google.com/store/apps/details?id=com.realvnc.viewer.android

In your Mac go to system setting-->sharing-->enable screen sharing and file sharing
Also In screen sharing open computer settings
and enable "VNC viewer can control screen using password with password"
Install VNC Viewer for mac
Enter ipaddress and connect

Open android VNC viewer app
enter ip address of mac system
and connect
then it will prompt for password
Enter password