Updated March 31, 2015
It has been reported that the app fails to detect input from the S-Pen that comes with Samsung Galaxy Note devices. Ordinary touch input works as expected.
For now, the S-Pen is not officially supported.
On a Toshiba Thrive running Android 3.2.1, if the user opens the online help, presses Back to return to Syntheogen, opens the help again, and then presses Back a second time, the application will generate an ANR.
No fix is known for this bug. It has not been observed on other devices, so it is assumed to originate in the Thrive.
For development updates, follow @Syntheogen on Twitter.