This camera app is impressive! I paid for the Camera+ app and stopped using it since it occasionally crashes on my iPhone 4S. Camera Awesome looks to be similar operating speed and fairly stable as the native iOS camera app. Hopefully, future upgrades will make it even better.
As posted several times already, the comparative tests show that the G1X sensor is a great performer, even better than my NEX 5N on higher ISO (RAW). But disappointing lens performance on the corners. Since this is a fixed lens, compact APS-C camera, you have to live with it. Something to look forward if Canon continue to use the sensor in their future ILC (DSLR or maybe Mirrorless) roadmap.
Not that I will buy the camera but applaud SONY for thinking out of the box. I think it is in their DNA to do things differently.