Cayenne is an app for smartphones and computers that allows you to control the Raspberry Pi and soon also the Arduino through the use of an elegant graphical interface and a solid nice communication protocol.
The features are:
Go to Cayenne site and Sign Up. After download the file and install the Cayenne system on your Raspberry Pi.
Download the app on your Smartphone or tablet by using the follows link
Install on your Raspberry Pi the Raspbian system. For this step download NOOBS from Raspberripi.org: https://www.raspberrypi.org/downloads/
Copy the package on your SD, and start the Raspbian installation. For the raspbian installation I recomend to use a HDMI screen, a USB mouse and a USB keyboard.
After this, connect your Raspberry at your LAN by cable. Then open your Cayenne app and install the library on your device. The next step.