【實用運動app】woozle.org Penalty Timer|最夯免費app

Free Roller Derby penalty timer (WFTDA 2014 rules) designed to be simple to learn and operate. Clean, simple, ad-free interface lets you focus on NSO duties instead of the app.

Implements WFTDA rule 6.4.1 (two jammers serving penalties).

Long-press a timer to reset it to 0:00. Tap a timer twice to add a full minute (2013 rules).

You may download and modify the source code at no cost: http://woozle.org/neale/g.cgi/ptimer/

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