You can download the app directly on your device through the Windows Phone Store or by using the link which follows:
BLINK for Windows Phone has been updated to version 2.0 and brings the following new features and improvements:
- Camera settings - change camera settings such as scene mode, exposure, white balance and ISO in capture mode
- Animation - Quickly set the motion range for animation in addition to selecting the best shot after capture
- Sharing - Share the animations to BLINK.so.cl, Facebook, or Twitter - In-app viewing - View the animations in the in-app history, wait for a moment and they start animating!
- Web gallery - From the in-app history, view your shared BLINKs in the web gallery
- Save another - Your BLINKs are always saved within the app. Come back and save another shot to camera roll or change the animation range via "edit" in the in-app history
source - Microsoft