Aerox, Video Tube Free for YouTube, Angry Birds Star Wars apps and more on this week’s top free mobile apps charts

Physics-based puzzler Aerox shot up the top free iPhone apps list to the No. 2 spot thanks to making the game free for a limited time. South Korean pop star Psy’s popularity continues to rise, with bow and arrow shooter Gangnam Style Massacre ranking No. 3 on iPhone and No. 19 on iPad. Another game going from paid to free was propelled into the top of the charts, with PunchBox Studios’ Pocket Climber landing at the No. 4 hole on iPhone and No.