4ストップウォッチ

· I will clear the value in the clear button of each stopwatch
Is start at the start button, you can stop at the stop button on the same location
· In addition, when you press the start, you can count up to continue
· Value is xx minutes xx.x Seconds 99: greater than 99.9 and 00: return to the 00.0
By start, it also continues to count up to exit the app