On their site, they are pulling out of the Android Market effective tomorrow:
ShapeWriter
User Notice: We plan to take ShapeWriter off the Android Market on June 20, 2010 for an indefinite period of time, If you have purchased or downloaded ShapeWriter Keyboard on your Android device, please update it to the latest Version 3.0.9 which will not expire as the previous versions do. We thank you for your interest and support.
ShapeWriter