ThumbFactory is entirely written with Java conforming to the Java 1.2 API. It was compiled using the Sun Java 2 JDK on a Windows98 system. The author and owner of the copyright for the product is Colin Mummery.

Further information and updates are available at http://www.cellspark.com and any technical queries or requests for new features should be e-mailed to the author at colin_mummery@yahoo.com The software is shareware and is subject to international copyright laws.