Jam Timer for Roller Derby app is available from
the Android Market and Amazon Appstore.

Current Android Market rating: 4.5 stars.

If you own the app and would like this page to
contains links to hints, tips, and FAQs, use
the feedback link below and let me know.

 

Download WFTDA Ref Hand Signals (pdf)

 

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decide whether or not to buy it. Thanks!

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