更新于2015年09月01日
* Usable without trackball now, due to revamped user interface
* Compatible with Android 2.1 now
* You can now take a picture with the camera for use as background to draw on
* You can now share your pictures via Facebook, Picasa, etc.
* Optimized drawing algorithm
* Color can now also be picked directly from the image, not only from the color palette
