Kevin Calderone's Trace game [App Store] has been released to the App Store. The game had been announced in early September on our forums. Trace offers similar mechanics as Line Rider by letting the player add to the level by drawing on the screen. The developer describes the gameplay:
Trace is a casual platformer where you draw your own path through the levels. Use the touch screen to draw platforms and navigate past obstacles to reach to goal at the end of each level. The game is easy pick up and play anytime, and high scores add another level of challenge.
The free game features 6 unique worlds, 120 levels, and an original soundtrack.
This teaser video demos the game:
App Store Link: Trace