Following months of rumors, a date has reportedly been set for the launch of the iPhone 5. In other welcome news, two industry reports chart the significant growth of mobile ad spending and app revenues. Meanwhile, Android developers received word of important policy changes for the Google Play app store.

The Future of Privacy Forum released an encouraging new study this week indicating that app developers are becoming more privacy savvy on both Google and Apple operating systems. And as the Apple App Store celebrates its birthday week, an industry expert compares the App Store’s first four years to the early commercial Web. In international mobile news, breaking reports show that China has pre-empted Apple’s upcoming iPhone 5 launch.