Acer Liquid S2 is the first smartphone to offer 4K video recording.

Pending the release of Galaxy Note 3 or others, Acer is the first company to officially announce an Android smartphone with 4K
video recording.

It brings:

• 6-inch Full HD IPS display (1920 x 1080 resolution) and 368ppi, with Gorilla Glass 3.0
• Size: 166 x 86 x 8.99mm profile
• 2.2GHz Qualcomm Snapdragon 800 processor
• 2GB of RAM
• 16GB of storage
• 13-megapixel camera with f2.2, 28mm lens, BSI sensor, 4K Ultra HD video recording, “fast full HD,” “4 x slow motion,” 27MP full panorama photo, LED ring flash, other camera features (Quick First Shot, Smart Best Shot, Tag Widget, Favorite Mode, Exposure Control, Freehand Capture, Live Screen)
• 2-megapixel front-facing camera with f2.2, 24mm lens, BSI sensor, 88-degree wide viewing angle and 1080p video recording
• 4G LTE (up to 150Mbps)
• Wi-Fi 802.11 ac/a/b/g/n with Mobile Hotspot support
• Bluetooth 4.0
• GPS, GLONASS ( from russia)
• Stereo speakers with Dolby Digital Plus sound
• 3300mAh non-removable battery
• Android 4.2.2 Jelly Bean with Acer Float User Interface (multitasking feature that “allows several app windows to stay open”) and other Acer features

Regarding availability the Liquid S2 will be available at the end of October 2013.