YI Action 3.9.0

This release does not have a Play Store Description, so we grabbed one from version 3.9.3:

YI 4K Action Camera
The Best Action Camera Ever Period.
4K/30 | 120 minutes recording at 4K/30 (battery capacity 1400mAh) | 8 hours standby | Ambarella A9SE75 chip| 2.19” retina touchscreen | EIS (Electronic Image Stabilization) | 2.4GHz/5GHz Wi-Fi | 12MP still image | 155° wide-angle | Supports manual setting for shutter/ISO/EV/WB | 9 video modes |Easy social sharing | ¼ Inch thread mount| Bluetooth4.0

YI Community: Lifestyle for young and innovative people

• Super cool image editing effects to enhance your photos/ videos, HDR, Tiny Planet, Half Planet, Spiral Galaxy, and more.
• Support manual settings for shutter/ISO/EV/WB makes even easier to handle different situations
• Up to 18 ways of shooting videos and 5 modes for taking pictures
• User friendly UI design makes super easy to shoot, edit and share your work
• Supports horizontal screen mode to enable the widest preview angle
• Powerful video editing function to produce 6-30 seconds of videos in seconds. You can also add effects, filters and stickers. Everybody is a Hollywood producer!
Share wonderful moments with millions of YI fans! Let’s explore the latest and most innovative ways to have fun with the YI community!

YI Action Camera 1
Ultra-wide angle lens 16MP | Action sports high-speed shooting| Share on the go!
1 Equipped with the world's leading image process, Ambarella A7LS
2 Features the 16MP Sony Exmor R CMOS, snap clear and crisp HD photos even in the most challenging light conditions.
3 Aspheric lens of high definition optical glass, F2.8 large aperture and 155° super wide-angle enable to snap clear, crisp and colorful image
4 Panasonic high density lithium-ion battery core with low-power consumption system for long lasting battery life
5 10 second video clips to instantly share whenever and whatever you want. We provide the editing, filter, music, etc. function to make your clip more creative and interesting
6 4 picture modes to capture the best images: Photo (16MP), Time lapse, Timer and Burst mode (7 pictures/s)
7 Super smooth 4 video modes: Daily Video Mode (1080P/30FPS), Sports Mode (1080P/60FPS), High Speed Mode (720P/120FPS) and Super Speed Mode (480P/240FPS)
8 On App square you can discover and share those new, special and funny pictures or videos. YI fans are gathered here to share their best content and tips. What are you waiting for?