Note: this feature is part of Homey Experiments. We cannot give support on experiments so use them at your own risk.
With the virtual devices experiment you will be able to add virtual buttons, virtual IP camera's and virtual switches to Homey
You can enable or disable this experiment via More (...) > Settings > Experiments.
Once enabled, go to Devices and tap on Homey. Next select the specific virtual device you want to add to Homey.
The virtual button can be switched on or off by tapping on it. For example you can use this button to start a Flow.
The virtual switch can also be switched on or off by tapping on it. However, you can also select what type of device is plugged in. To set the specific device, add the virtual switch and tap on the settings button in the top right corner. Under "What's plugged in?" you can select the type of device. When you have set the device type you will be able to control this virtual switch via Google Home or Amazon Alexa.
The virtual IP camera lets you create a virtual IP camera in Homey. During the pairing wizard you will be able to enter a URL to a HTTP IP Camera image (for example: http://192.168.1.100/snapshot.jpg) This way you will be able to add network camera's to Homey. Once added you can use the image tag in your Flows.