Here’s a step by step guide: (1). Download our "HOSmart" app in Google Play; (2). Launch the app and register a new account (or login if you’re already registered); (3). Turn on hored devices and connect them with “HOSmart” app; (4). IMPORTANT: You can rename the devices with HOSmart App. So if you rename a smart switch “bedroom switch”, then Echo will get that same name after discovered the devices in Step 9; (5). Download Amazon "Alexa" app from Amazon Market, Google Play or iOS App Store, and connect Echo with "Alexa" app; (6). Search the Alexa Skills directory for "HOSmart"; (7). Click Enable skill of "HOSmart", then input your account username, password and region on the linking page; (8). Talk to Echo "“Alexa,discover devices.”. Wait till Echo says "Discover is completed"; (9). Now all setup is done. Try talk to Echo to control your devices.