Signature Devices, Inc.'s Wholly Owned Subsidiary's Video Games Made Available on Amazon.com, One of the World's

REDWOOD CITY, CA, Apr 17 (MARKET WIRE) --
Signature Devices, Inc. (PINKSHEETS: SDVI) is pleased to announce that several
of the Company's video game titles are now available on Amazon.com, through
its subsidiary Graffiti Entertainment, LLC. Amazon.com has 14 different products
from
Graffiti Entertainment, including the Gameboy Advance version of Mazes of Fate.
Five of
the 14 featured products are available as pre-orders in anticipation of their
individual releases throughout the year.

Amazon.com, a Fortune 500 company, was one of the first companies to sell
goods over the Internet and is currently one of the largest and most
diversified e-commerce Web sites in the world. The site attracts over 615
million unique visits each year, more than twice the number of
Walmart.com,whose Web site is powered by Amazon.com, who also powers Target.com,
Borders,
Waldenbooks, Sears Canada and other various e-Commerce Web sites.

"We are excited to have expanded our product reach to be included on one of
the world's largest and popular e-commerce sites. We believe that Amazon.com
will create a great deal of momentum for upcoming product releases that are
already available for pre-orders," stated Kenneth Hurley, CEO of Signature
Devices, Inc. and Graffiti Entertainment, LLC.

To view the available video games, please visit:
http://www.amazon.com/exec/obidos/search-handle-url?%5Fencoding=UTF8&store-name=
ideogames&search-type=ss&index=videogames&
Devices, Inc. is pleased to announce that the Company's WallSt.net interview
from
March 27, 2008 will air on FOX Business on April 20, 2008 at 5:30 pm ET/2:30 pm
PT.

About Signature Devices, Inc. and Graffiti Entertainment, LLC:

Based in Redwood City, Calif., Signature Devices, Inc. creates, develops and
manufactures advanced information technology, including computer systems,
software
and electronics products. One of the Company's premier technologies includes a
blend of hardware and software for image generation technology used in video
games
and simulations. Signature Devices also owns Graffiti Entertainment, LLC,
(http://www.GraffitiEntertainment.com), a publisher of interactive
entertainment software for advanced entertainment consoles.

The information in this press release includes certain "forward-looking"
statements within
the meaning of the Safe Harbor provisions of Federal Securities Laws. Investors
are cautioned that such statements are based upon assumptions that in the
future may prove not to have been accurate and are subject to significant
risks and uncertainties, including the future financial performance of the
Company. Although the Company believes that the expectations reflected in its
forward-looking statements are reasonable, it can give no assurance that such
expectations or any of its forward-looking statements will prove to be
correct. Readers are cautioned not to place undue reliance on these
forward-looking
statements that speak only as of the date of this release, and the Company
undertakes no obligation to update publicly any forward-looking statements
to reflect new information, events, or circumstances after the date of this
release except as required by law.

Contact:
For more information, please visit:
www.signaturedevices.com
or Call
Investor Relations
+ 1-866-THE-APPL(E)

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