Change app name and icon for a canvas app in Power Apps
Customize a canvas app by changing its name and icon.
Create an app, or open one for editing.
On the File menu, click or tap App settings.
Rename an app
Under App name, click or tap Rename this app, and then type a different name.
Change an app tile
Follow one or more of these steps:
Click or tap a different background color from the list of options.
Click or tap an icon from the list of default icons.
Click or tap Browse file, click or tap the image that you want to use, and then click or tap Open.
For best results, use a square-shaped icon.
On the File menu, click or tap Save to republish your app with the new settings.