Enjoy a free 144-hour (6-day) trial of the Android version of TeslaMirror app from the Play Store. 
If you purchase Android TeslaMirror on the Play Store, you will get a 144-hour (6-day) free trial.   

If you are not satisfied within 144 hours of purchase, you can request a refund by emailing TeslaMirror@hustmobile.com with your full email address of order, or Google Play Store order number (e.g. GPA.3366-5557-3392-88888).
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The 1st App on Google Play Store to support Tesla App Mirroring feature.

TeslaMirror is an App that will help your Android App mirroring to Tesla vehicle! 

For Tesla vehicle built-in browser
1 If possible, try to upgrade the Infotainment system of the Tesla vehicle to the latest version
2 Make sure the car is PARKED
3 The Tesla vehicle network must be connected to the Android device (the Android device to be mirrored, when multiple Android devices are available) mobile Hotspot first. Tesla MCU2/3 hardware is needed. MCU2/3 is available on the Tesla Model 3, Model Y, Model X (late than March 2018), Model S (late than March 2018), or the Tesla vehicles that are upgraded to MCU2/3 from MCU1.
5GHz mobile Hotspot Wi-Fi network is preferred. Wi-Fi 6 AP is not supported by Tesla vehicle.
4 Start the TeslaMirror App. Confirm "Tesla Proxy" switch is on in the TeslaMirror App
5 Click the "Start" button to start Screen Broadcast in the TeslaMirror App
6 Access the link http://100.99.9.9:3333 via Tesla vehicle built-in browser
7 Enjoy the App streaming
8 No audio support for the moment. Only the screen will be mirrored to the browser. You can use the Bluetooth audio link to Tesla vehicle to support audio

FAQ
1 Netflix not supported

Warning and Legal Disclaimer: DO NOT IGNORE THE FOLLOWING - This service should only be used when the car is PARKED (0mph/0kph)! The use of this program may be restricted based on your local jurisdiction regarding the built-in web browser in your vehicle.

VpnService is needed for the app to operate normally.

Why does this TeslaMirror App need a VpnService?
About the need for VPN, it is mainly because Tesla car blocks all of the normal private LAN IP addresses(such as 192.168.*.*). So, the virtual IP address and VPN are used to bypass the Tesla network limitation. The VPN tunnel is not connected to any public server. For the VPN tunnel, one endpoint is the Android device to be mirrored, another endpoint is the Tesla car.

Is there any privacy issue with it?
There is a web server running on the Android device with a virtual IP address 100.99.9.9. This web server is not available for public Internet access. There are only Tesla car and the phone, no middle servers running on the Internet. There is no privacy issue with it.

The VPN is the core functionality of TeslaMirror application. Or else Tesla car's browser cannot connect to the web browser on the Android device.

This TeslaMirror VPN and app do not collect any user data and logs.

TeslaMirror application does not redirect or manipulate user traffic from other apps.

This app has a "Remote Control" feature that allows you to control your Android device remotely using a touch screen or mouse. In order to use this feature, you need to grant this app Accessibility permission. Without this permission, the "Remote Control" feature will not be available. 

This app uses the AccessibilityService API to access the dispatchGesture and performGlobalAction interfaces. These interfaces allow the app to control your Android device remotely using a touch screen or mouse. This app does not collect any data through the AccessibilityService API. By using these interfaces, the app enables you to control your device from a distance, making it easier to use your device if you have difficulty reaching the screen or have difficulty using the physical buttons.