share app with external user in teams

Its just a link to a sharepoint page as personal app for guest users. It shows up for normal users.
{
"$schema": "https://developer.microsoft.com/en-us/json-schemas/teams/v1.9/MicrosoftTeams.schema.json",
"manifestVersion": "1.9",
"version": "1.0.0",
"id": "66b3620b-cc00-4838-9e19-b4c419bf6020",
"packageName": "com.test",
"developer": {
"name": "test",
"websiteUrl": "https://www.test.com",
"privacyUrl": "https://admin.teams.microsoft.com/policies/manage-apps",
"termsOfUseUrl": "https://admin.teams.microsoft.com/policies/manage-apps"
},
"icons": {
"color": "color.png",
"outline": "outline.png"
},
"name": {
"short": "testing1",
"full": "testing1"
},
"description": {
"short": "test",
"full": "test"
},
"accentColor": "#FFFFFF",
"staticTabs": [
{
"entityId": "1239009",
"name": "Tab1",
"contentUrl": "https://qashare.sharepoint.com/_layouts/15/teamslogon.aspx?SPFX=true&dest=https://qa.sharepoint.com/sites/Medarbeider-Documents/Lists/Issue%20tracker/NewForm.aspx?Source=https%3A%2F%2Fqe%2Esharepoint%2Ecom%2Fsites%2FMedarbeider%2DDocuments%2FLists%2FIssue%2520tracker%2FAllItems%2Easpx&ContentTypeId=0x0100D82516D94781AD4787A3A064CF557CFF00FE69CBA389D33A48A7C42274B4913AA4&RootFolder=%2Fsites%2FMedarbeider%2DDocuments%2FLists%2FIssue%20tracker",
"websiteUrl": "https://qashare.sharepoint.com",
"scopes": [
"personal"
]
},
{
"entityId": "about",
"scopes": [
"personal"
]
}
],
"permissions": [
"identity",
"messageTeamMembers"
],
"validDomains": [
"qashare.sharepoint.com"
]
}