Android 4.4, aka KitKat, comes with an experimental technology called ART designed to speed up Android apps.
ART is a replacement for Dalvik, the "runtime" software that has the job of executing Android apps. Dalvik is a virtual machine -- essentially a software version of a computer that lets Android apps run on a variety of hardware -- that's closely related to Oracle's Java technology.
ART is geared to speed things up by reworking a core part of the process. Developers write apps in high-level languages such as Java, and when they build them, the … Read more