Headunit Receiver Emulator for Android Auto. Plug USB into your device (in case of tablet use OTG cable), when prompted, make sure to allow HUR to be the default app for action and check the always box .
Supported Android
{4.1 and UP}
Supported Android Version:-
Jelly Bean(4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) – Marshmallow (6.0 – 6.0.1) – Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1) – Pie (9.0)

Download Headunit Reloaded Emulator for Android Auto Headunit Reloaded 6.3 Paid APK For Android

Headunit_Reloaded_Headunit_Reloaded_V6.3_RC3.apk