One of the biggest gripes from BlackBerry users is the lack of apps, which is why RIM hopes to boost sales by adding Android compatibility in future devices -- DroidBerry, anyone? According to Bloomberg, sources familiar with the matter say RIM may add support for Android apps on future QNX-based devices, enabling access beyond RIM's relatively limited App World. It's rumored that the feature will live in the QNX-powered PlayBook tablet by the end of the year, but there's no word yet whether the 2012 line-up of