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Re:$1 Unistroke Recognizer by QuercusMax on Saturday September 19, 2015 @10:21PM (#10246344)
Same here. It seems like it's very picky.
Re:$1 Unistroke Recognizer by intruder on Sunday September 20, 2015 @01:29AM (#10246659)
Stroke order matters. As does amount of strokes per gesture.

Once you get that, it's fairly accurate.