Click Run → Edit Configurations…

Then uncheck Use same device for future launches

As mentioned by @B-GangsteR, you can also launch your app on multiple devices at the same time. To do this, select targets using ctrl key.

Click Run → Edit Configurations…

Then uncheck Use same device for future launches

As mentioned by @B-GangsteR, you can also launch your app on multiple devices at the same time. To do this, select targets using ctrl key.
