New Camera2 API is brilliant!
It's a complete revolution in what Android Camera apps can do with the camera, bringing terrific new processing capabilities (using various forms of hardware acceleration).
Most of what only vendor's Camera apps, using proprietary APIs and sometimes ISP (Image Signal Processing) specific features will now be possible with third party apps.
– burst and any application using high speed burst shots like HDR, Superresolution.
– RAW saved as DNG
– non-compressed de-bayered images to process with the CPU or GPU with GL ES shaders
– Color space conversion from native sensor RGB and custom contrast curve or tone mapping.
And a lot more: With L, Android enters a totally new territory for its Camera.