You can access the front-end to actually control your devices on following url:
In here you can click on the devices to turn them on or off.
If you have assigned devices to a specific room, you can use the Rooms menu on top to switch to a different room.
By default you will see all devices from all rooms.
You can create any kind of blocks.
Below you can see an example of a 4-digit panel to arm your alarm and
an example of the yahoo weather information box.