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 also leased a 24 MYLR in March and did indeed get both the 1-Year of Premium Connectivity and the 3-Month FSD. Here's where I see mine in the app under: Upgrades, then Manage Upgrades, then under the Manage tab, select Active.