Your first Device must be able to connect to the Internet. A good candidate is your Smartphone! Make it compatible to Lhings by installing the PlugLhings App (available for Android and iOS). Once installed, just open it and introduce your Lhings credentials to log in.
In Lhings, Apps are usually related to virtual services. Check out the available Apps in the Apps Section of your dashboard and choose the one you want to install. Once installed, you are able to establish links with your Devices by creating Rules.
Send a tweet every time you are arriving home! This is an example of a Rule created by linking available events generated by your Smartphone to actions performed by the Twitter App installed in Lhings. Just visit the Rules Section in your Lhings dashboard and create your first Rule!