Related demo can be found here:
The second walk through below:
PowerApps is the perfect complement to Power BI in that it makes it very easy to update or add data to the underlying datasets that Power BI is Visualizing.
This walk through is using the Power BI sample data.
Step 1. Create a Dashboard using the Power BI Samples by selecting “Get Data” > Samples
2. Select the Sample “Retail Analysis”
Step 3. Create a Canvas based PowerApp
Step 4. Insert a Power BI Control
From the insert ribbon choose controls and scroll to the Power BI Tile
Step 5. Setup the Power BI Control
Step 6. Add some buttons to set the filter context
On the Insert ribbon select controls and add a couple (~three) buttons.
Step 7. Copy the TILE URL Text
Step 8. Create and set a variable to set our visual ….and our filter context
In the OnSelect of each button set a variable to the tile URL property
Step 9. Set the TileURL property of the Power BI Control
Select the Power BI control and scroll to the TileURL property then set the property to MyVar
Step 10 Copy this Text to the second button’s on select and add the text:
&$filter=Store/Territory eq ‘NC’
To the end
Step 11 Test the application