I have created an android build(.apk) for HelloAR example in unity after following the steps written here.
And also created an android emulator to test the Android build by following the steps given here.
But I am not able to install ARCore on the emulator.
After installing the Android build of HelloAR application on the emulator (without installing ARCore) the application ended with a white screen.
Is there anything else I have to do to run the application on emulator?
If your goal is to test and debug your app without deploying to the actual phone, You can use Eazy ARCore Interface. This is a little tool I wrote so I can develop and debug my ARCore projects from within the editor.
It makes things easier when it comes to writing your game logic. ARcore is simulated for you in the editor.
When you are finished and want to deploy to device, no changes are required. Just build and deploy.