In order to use this skill, first you have to own COOLTOUCH smart switch or other COOLTOUCH products. Then you need to activate products first in COOLTOUCH ios/android APP. Then enable this skill with your COOLTOUCH APP phone number and password, your devices and scenarios will list in Discovered Devices. In order to control device, try to speak like this: Alexa, turn on/off the device name. In order to control scenario, try to speak like this: Alexa, turn on the scenario name. German is not supported yet. Enjoy it!