Android 4.4 - Activate the ART runtime environment
Android 4.4 KitKat, includes a the new runtime environment (ART). To enable this hidden (experimental feature):
- Go to Settings > Developer Options > Runtime.
- Select "Use ART".
- Restart the device. Your system will be updated and all the apps have to be reinstalled.
Note that: Under the ART runtime, apps will require more space.