Today in iLounge Deals, we’re offering Screens 3 for Mac for only $12.99 — that’s 56% off the regular price. This user-friendly remote access tool lets you access your Mac from anywhere you have an Internet connection using any other Mac, Windows, or Linux PC or even your iPhone or iPad using the companion iOS app (sold separately). You can even set up actions to automatically trigger each time you disconnect from your Mac, configure…