It looks like the next version of Android will be based on a new runtime that will allow apps to run faster and use less battery.ART or Android Runtime will be the default runtime when the next version of Android or Android 5.0 releases, as per developers at XDA, who spotted the presence of the new runtime in the operating system’s code. ART will replace Dalvik, the current runtime that allows apps to run in the software environment. With ART, apps will run faster, and will be more efficient. However, the install time would increase and apps will take up more space.
Read more via timesofindia.indiatimes.com