If you input your questions, bug reports or complaints in review form, it isn't notified developer. Please email directly ([email protected]). This is simple designed stopwatch. It has below functions. - Key assign The volume key of smartphone can be assigned to stopwatch key. - Delayed start Start of time measurement can be delayed. - Time signal Time elapsed is notified by the voice or sound or vibration. - Design customize The time display design can be customized. You can select the 7 seg