SUNNYVALE, CA, PalmSource Headquarters - September 26, 2002 - Tribeworks is
proud to preview iShell Mobile Edition, the first multimedia authoring
environment for the Palm OS Platform. Based on Tribeworks award-wining
iShell platform and the Kinoma media playback engine for the Palm OS,
iShell Mobile Edition represents a giant leap forward for handheld devices.

Now using a Windows or Mac OS X PC, multimedia professionals can build
interactive learning applications, product demonstrations, sales
presentations, and deliver them to a Palm OS device.

eNature.com, the premier online nature resource, today announced plans to
publish a new line of electronic field guides for the Palm OS=AE platform
using this new technology (please see press release below).

Individuals interested to test-drive the preview version of iShell Mobile
Edition can sign up for a free trial version at http://www.tribeworks.com

iShell Mobile Edition Features:

* Drag-and-drop user interface
* Windows and Mac OS X authoring
* Support for any Palm OS 4.x or Palm OS 5.x device
* Video: MPEG, AVI, QuickTime, up to 320 x 480 full screen resolution
* Audio, text, image
* VR panoramas and object movies
* Variable and conditionals