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Draw a custom maze on paper and play it on your device using the accelerometer

Form ‘N’ Fun is an android maze game based on real time computer vision. The user draws a custom maze on a white piece of paper and the device camera creates graphics according to the geometric shape and ball allowing the user to play using the accelerometer. The app uses contours algorithms in OpenCV to detect maze that is drawn on the paper and JBox2d engine for simulating the rigid bodies.

In order to use Form-N-Fun, you also need to install the OpenCV Manager application.


Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

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  • Version 1.0 (1) suggested Added on 2019-05-21

    This version requires Android 4.0.3 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    • take pictures and videos
      This app can take pictures and record videos using the camera at any time.

    Download APK 58 MiB PGP Signature | Build Log