ThumbCamera - gesture camera

ThumbCamera is a gesture controlled camera app. In addition to taking photos and focusing, it lets you perform functions such as zooming and changing the aspect ratio with simple one-finger gestures. ThumbCamera lets you take photos easily with one hand, no matter how you're holding the phone.
Demo Movie: http://www.youtube.com/watch?v=gnkspSNDwQc
●Main gesture controls (all operations below can be changed through settings)
- Tap: Take photo
- Double tap: Focus
- Tap and hold: Exposure
- Vertical swipe: Zoom in/out
- Swipe right: Change aspect ratio
- Swipe left: Share (*1)
(*1) About sharing
- You can immediately send a photo to another photo app
- You can also register arbitrary URL schemes
●Other features
- Four aspect ratio settings (3:2, 4:3, 16:9, 1:1)
- Three image size settings (dependent on device capabilities)
- Geotagging ON/OFF
- EXIF information written to photos is almost the same as the default camera app information
- Silent shutter (If silent is on, image size become smaller)
- Rotation lock, flash switch, grid display