Description of Roller Derby JAM TIMER General Stopwatch for use in Roller Derby matches, suitable for official matches. Application Made for the 3rd Roller Derby Colombia 2014 Tournament. This application is in its beta version, we appreciate that you inform us of possible failures that may be found. Changes: • Team Time Outs automatically stop after one minute. • Correction of 30 seconds counter error. • Inclusion of the subtract score button. • Interface improvements. • Correction of problems.

Version history Roller Derby JAM TIMER New in Jam Timer 1.2.2 -Improved sources to avoid the jump ofroyal rummy texts. -Lighter graphics. -Minor corrections Please rate this app