OneShot is a professional mobile camera app and offers high quality filters in a lovely user interface that is overlaid on top of your viewfinder. Apply a change, such as a filter, and you can see the difference on your screen in real time.

OneShot combines real-time photo effects with photo editing. It containts a fully featured photo editor that allows to edit effects of existing photos and to undo effects of photos that have been taken by OneShot

Features:
- Real-time filter effects (Vintage, Nashville, Green Pop, 1977, Lomo, Early Bird, Valencia, Amaro, Hudson and more)
- Fun effects (Mirror, Mono colors and more)
- Voice commands
- High resolution support (Nokia Lumia 1020/1520)
- Zoom
- Contrast
- Brightness
- Saturation
- Sharpen/Blur
- White balance
- Shutter
- Scene mode
- ISO
- Manual focus
- Auto focus mode
- Focus illumination mode
- Manual temperature adjustment
- Ratio: 4:3/16:9/1:1
- Grids: Rule of thirds, golden ratio, square, Golden spiral
- Exif data
- Pick photo from library menu item in the photo viewer
- 6tag sharing
- 8 modes: Manual, Program, Portrait, Macro, Scenic, Custom 1-3
- Auto straightening
- Live straightening
- GPS tagging
- much more...

You also have a favorite button which you can use for one of your favorite actions.

User feedback:
★★★★★ Amazing app showcasing the Nokia imaging SDK
★★★★★ What an app! This allows absolute control over the camera and is a quality app.
★★★★★ Excellent app for photo lovers. Worth a buy
★★★★★ Beautiful app, love the design and filters!
★★★★★ I am genuinely impressed with just how brilliant this application is.
★★★★★ All you Lumia 810 owners out there, do yourself a favor and replace that lame duck camera software that came with the phone.
★★★★★ Best Cam App
★★★★★ Wow! Great app, great design.