Now you can send simple drawings to your friends in the latest release of the Skype app for Windows phone.
If you're artisitc you can use the blank canvas or you can simply add a personal touch to your photos or even annotate Bing maps.
Other updates for this version include faster load time, instant sign in with your Microsoft account, and if you have a HD screen Skype will show in all it's glory.
No word on when this update will hit iOS and Android.
Windows Phone Store Link Here - Requires Windows Phone 8 or 8.1