Doodl
Doodl is the simple sketch messenger for iPhone.
Spacer
Spacer is the easy way to track rocket launches on iPhone and Apple TV.
gMote for Windows
Access and control just about anything on your PC with mouse gestures.
Makes my life so much easier.
User review on CNET.com
...fills a very specific need and does it with a minimum of fuss or confusion
CNET Editor's Review