You can use your app to connect to multiple Molekule devices. However, you can control only one device at a time. Please follow the below steps to switch between the devices:
1) Click on the MENU icon on the top left in your app
2) Select DEVICES from the menu
3) You will see a list of all your Molekule devices connected to your app. Please click on the device you want to control using the app.
4) Once you select the device, click on the MENU icon on the top to go to HOME screen from where you can control the device.
For a more detailed step by step guide, please check here.