Good news! Now you can show SharePoint pages having ShortPoint in Microsoft Teams.
1. You are using ShortPoint on SharePoint Online / Office 365
Step 1: Open Microsoft Teams and select a channel
Step 2: Click Add a tab button
Step 3: Select Website app from the list
Note: ShortPoint elements currently not working within SharePoint app
Step 4: Configure Website app
Fill Tab name and URL to the page with ShortPoint Elements. Click Save button.
That's it. Now you can see SharePoint page with ShortPoint element in Microsoft Teams