
RIM’s PlayBook hasn’t exactly been a raging success like the company (and many BlackBerry enthusiasts) had hoped. Still, the company is slaving away on the upcoming PlayBook OS 2.1 update. The latest feature to be revealed is something that sounds pretty essential, and frankly we’re surprised it wasn’t included from the get-go — multi-tasking/multi-window Android apps in the Android Player Runtime. With the new OS, Android apps will act much…