Only a few years ago, Dave Burke remembers, cellphone users were just happy to have a camera at all. As he says this, Burke, Googles Director of Engineering for Android, is walking through all the changes Google has made to the Nexus 5s camera in the five weeks since the phone hit the market. The fruits of the Android teams efforts is Android 4.4.1, the update rolling out over the next few days that is designed to fix the buggy, inconsistent camera on what is otherwise one of the best Android phones on the market. Mixing speed and image quality requires a fragile balance, particularly in low light, and Android 4.4 skewed too far toward image quality.