Nintendo fans rejoice: GBA4iOS 2.0 -- a project of indie developer Riley Testut for the last two years -- just went live, and it's the easiest way to play Game Boy games on the iPhone.
A storage app that also happens to run Super Nintendo games by emulation has managed to get on the App Store and is the top-selling app.
The Windows Phone 7 emulator released at Mix this week had a fair bit of Microsoft's stuff hidden, but one developer managed to jimmy his way in.
Apple briefly included in the App Store a program called iDOS that lets your iPhone or iPad travel back to the early days of the PC industry, complete with grimy keyboard and floppy drive.
Developer Samuel Blanchard has coded a Game Boy emulator in Silverlight that runs on Windows Phone 7 smart phones. The question is whether you'll ever be able to use it.
A video at Australian technology site TechAU provides a look at the Windows Phone 7 features hidden within the emulator Microsoft released this week.
The iOS app that brought a very early version of Windows to iPad users didn't last long before being pulled, but the app will remain in development and for sale through a third-party.
GameBoy emulator for iPhone
PlayStation emulator PSX4Droid has been removed from the Android Market store by Google for "content policy violation", just in time for the Xperia Play to go on sale.
Retro gaming on the iPhone continues to go from strength to strength, with a version of classic SNES shooter Earth Defense Force just out, and an official Amiga emulator on the way.