ABRP Download link:A Better Routeplanner (ABRP) - Google Play 

NOTE:
APP can only be connected to BLE.
Just enable Bluetooth settings on your Android device.
DO NOT Need to connect Bluetooth Name on Android device.
Then connect the Bluetooth device name in the OBD app setting

Step1:
Open the APP and click the button in the upper left corner.





Step2:
Click on "Plan sttings".





Step3:
Click on "Edit settings".





Step4:
Click on "Link ABRP OBD Connection".





Step5:
Click on "Understood".





Step6:
Select "vLinker FD-IOS".





Step7:
Connected successfully.