This app allow you to send Adaptive Card to Teams channel or User directly from Power Apps.
Overview
So far, sending Adaptive Cards from Power Automate have been well known, and used for a survey.
To collect response data from Team members, we need a workaround using "Apply to each", since Post Adaptive Card action in flow is finished when a team member submit their response - not allowed submit multiple response from one AC.
Using the technique, direct post from Power Apps, you can set an arbitrary URL to send response data, so it makes available to submit data from one AC in Teams channel.
In this sample app, Adaptive Card like survey form with single-line answers will be posted.

Note
To collect response data, it is required to build a flow with HTTP trigger, which URL will be used to receive response from AC.

How-to use
- Go to Power Apps Studio, and Open (Ctrl+O) > Browse Files > select Send Adaptive Cards.msapp, which you downloaded from this page.
- Allow to use your connection
- Navigate "Config" screen, and set your flow url to Label text : flowURL
- Test it!
Demo
Any feedback will be appreciated 🙂
Thank you!
Hiro