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# WI-Fi Direct # 1080p video recording for stock Android devices # Improved error correction on the keyboard # You can directly access the apps from the lock screen # Upgraded copy and paste functionality # Support for the WebP image format # Hardware acceleration of the universal Interface # Soft buttons from Android 3.x are now available for use on phones # Widgets in a new tab can be separated, listed in a similar manner to apps # Folders can easily be created with a drag-and-drop style # Launcher Customizer # Enhanced visual voicemail with the ability to speed up or slow down voicemail messages # Pinch-to-zoom functionality in the calendar # Integrated screenshot capture (accomplished by holding down the Power and Volume-Down buttons) # Improved voice integration and continuous, real-time speech to text dictation # Face Unlock, a feature that allows users to unlock handsets using facial recognitionsoftware # New tabbed web browser under Google’s Chrome brand, allowing up to 16 tab...

See more basics on Android along with interview questions Dalvik is the process virtual machine (VM) in Google's Android operating system.It halps to run the apps on ANDROID DEVICES.This is an integral part of Android.Programs are written in java and these are then converted from Java Virtual Machine-compatible .class files to Dalvik-compatible .dex (Dalvik Executable) files before installation on a device.This is done in terms of memory and processor speed. It is a Register based Virtual Machine. It is optimized for low memory requirements. It has been designed to allow multiple VM instances to run at once. Relies on the underlying OS for process isolation, memory management and threading support. Operates on DEX files.