Review Checklist

Before submitting your app for review, make sure your app meets the following criteria:

1. Supports 720p, 1080p and 4K resolutions.
2. Supports Multizone.
3. Supports landscape (16:9) and portrait (9:16) screen orientations.
4. Tested performance on a real device.
5. Helpful error messaging is provided for invalid input values.
6. Has a unique icon and thumbnail.
7. Supports offline (if applicable).
8. High-resolution videos are scaled down to a max of 1080p (if applicable).

#Supported Resolutions

Name	Resolution
720p	1280x720
1080p	1920x1080
4K	3840x2160

#Supported Multizone resolutions

Name	Landscape Zone 1	Landscape Zone 2	Portrait Zone 1	Portrait Zone 2
720p	897x505	284x505	505x898	505x284
1080p	1346x757	426x757	758x1347	758x426
4K	2692x1514	852x1514	1516x2694	1516x852

#Multizone

Multizone is an app that allows combining different apps on one display. Different apps are shown on different sections of the display. Even if the display is 1080p it doesn’t mean that your app will get full 1920x1080 to be displayed on.

Make sure to test your app using Multizone resolutions. Resolutions can be changed using Chrome developer tools. Devices with different resolutions can be simulated using this guide.

#Next Steps

• How to submit your app to the marketplace
• How to develop locally and test your app
• Learn more about the on-device cache

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