As you may know, RetroPie is an open-source operating system that creates a vintage game system from the Raspberry Pi 2 ARM singleboard computer.
RetroPie 3.0 turns Raspberry Pi into a classic game console, running with Raspbian and having support for gamepads and joysticks. Among others, it adds automatic controller configurations for RetroArch and features additional configurations and includes the ability to set up the Wi-Fi.
For those who don’t know, RetroPie is among the most popular console emulation software for Raspberry Pi 2, the credcard sized ARM singleboard computer created for basic programming and do it yourself projects.