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App preview in Tizen tv and emulator don't appear

Hi I am developing an app for tizen tv, with react-native and renative. It already has the configuration to show a preview of the app when it is selected in the application bar of the home. But in emulator it behaves erratically, and most of the time it is not shown, in physical tv it is not shown at all.
I follow this instructions:
https://developer.samsung.com/smarttv/develop/guides/smart-hub-preview/implementing-personal-preview.html