The Hackberry A10 developer board is a similar idea to the Raspberry Pi. The main difference is that it is more powerful and is loaded up with a bit more RAM, has built in storage as well as a WiFi connection.
The device can be used for a number of applications such as bring connected up to your TV (via HDMI) and used as a media center as well as on to other applications such as robotics, automation tasks, smart homes etc…