Blackboard ($1) simulates a blackboard on the iPhone or iPod touch. Users can choose from various colors of chalk and the draw a picture, play a game of Tic Tac Toe and then save the resulting image and email it to others. The application features realistic chalk sounds that play whenever a user beings drawing.

Trace (free) is a casual platform game that has users draw their own paths through the levels. Using the touch screen players must create a path that avoids various obstacles and leads their character to the end of the level.

Comet Cowboy ($4) is a game that has players capturing comets by using the touch screen to draw a lasso around them. The game features over 30 increasingly difficult levels where you must capture an ever increasing number of comets in a limited time frame.

DrawR (free) is a simple drawing application for the iPhone and iPod touch. Users are able to draw freehand or import a photo, adjust its transparency and then trace over it. DrawR features an auto-save function that saves the work in progress if a call needs to be answered or need to quit out of the app for various reasons.