For mirrorlink, two apps are required.
1. LG MIRROR DRIVE
2. Floating Apps for Auto (paid version) Rs. 750
a. Activate Floating Apps icon on your mobile home screen.
b. Connect your Android phone thru USB. It will automatically go to Mirrorlink Screen.
c. Click on LG MIRROR DRIVE.
d. It will show you an error. Don't press OK. Click on floating apps icon.
e. You are ready to use Youtube, Google Maps and many apps of Android.