There is a full version + donate :)
https://play.google.com/store/apps/details?id=apps.scarymaze.paid

Scary Maze, in gesture to the amazing scary maze
Use your device accelerometer X-> Y Z

To start play, place your device on a flat surface and use it the navigate the ball across the levels.

3 normal levels, level 4 is a zombie !
It is a classic!
Sample app, have fun :)