In case you didn't notice, Microsoft and Nokia are holding a pretty major press event right now, and while we've mainly been waiting for some shiny new hardware, a few fresh apps never hurt either. Nokia just made a joint announcement with AOL, unveiling an entertainment hub called Entrance, which will be available only on Nokia's Windows Phone devices. AOL (which happens to be Engadget's parent company) naturally used the app as a way to highlight its various properties, including Moviefone, AOL Music and Huffington Pos