Prepare App Testers for Cloud App Streaming
With Live App Testing (LAT), app testers can download your test app on their Vega OS devices and perform user tests. App testers must use a compatible Vega OS Fire TV device to test your cloud streamed app.
Testers receive notifications to run app testing through an email invitation and a push notification to their device. To learn how your app testers can enable notifications, download the app, and install the app, see the sections on this page.
Opt in a tester for LAT emails
When a tester first receives their email invitation, they have an option to unsubscribe from LAT communications. A tester who unsubscribes doesn't receive LAT invites through emails or push notifications. If after unsubscribing, a tester wants to continue receiving LAT invitations, you can share the opt-in link with them. The opt-in link takes them to a web page where they can resubscribe to LAT emails.
To get the opt-in link to resubscribe a tester to LAT emails
- Open the Developer Console Dashboard and sign in to your account.
- Select Apps & Services > My Apps, and then select your app.
- Under Actions, select the menu icon, and then choose Live App Testing.
- On the Tester Management screen, select View all testers, and then choose Copy opt-in link.

Test an app from an email invitation
When you add testers to a live app test, your testers receive an email invitation. The email contains a link to your app's test page with download and install instructions. Have your testers complete these steps to download your app and begin testing.
To test your app from an email notification
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In the LAT invitation email, choose the link for the marketplace that you're testing.

LAT invitation email The link opens the Amazon Appstore retail page for the app in the specified marketplace.
If you've signed in to the Amazon Appstore on a supported device, you see a Get App button. The button shows a list of compatible devices.

App retail page If you haven't signed in to the Amazon Appstore on a device, that device won't appear. The same applies if a device isn't available in your current marketplace. If no targeted devices are available in a marketplace, the Get App button changes to a Continue button:

Device not available -
Choose Get App.
The page shows instructions for installing the app. You can test on any device associated with your Amazon account that your app targets.
Test an app from a push notification
In addition to the email notification, testers can receive a push notification on their Vega-based Fire TVs. Testers are eligible to receive push notifications for LAT if the device is registered to the account used for LAT test email notifications.
When you receive a push notification, tap or select the notification on the device. Testers are directed to the app's test page on the Amazon Appstore, where they can download the app and run user tests.
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Last updated: Oct 31, 2025

