I've planned to publish a tutorial today about RetroPie, but it's more work than I thought: translation, testing, more testing, screenshots and my blog was not prepared to enlarge the images once you click on them (lightbox), which have implemented it today.
In advance, please check if you can click on the screenshot below
You must see the bigger picture inside the blog. I hope it goes in all browsers. I have tried in Chrome, Safari and Firefox, but you never know.
I leave you with some news that I found interesting. Here we go!: