You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
I was sad to learn today after receiving 2019.20.4.2 that I won't be receiving the Beach Buggy game on my September 2017 Model X. Tesla support stated that this is only for vehicles after March 2018 (requires MCU 2).