Chess Clock (Game Clock) App.Tap right side to start left side count, vice versa.Features:-5 modes: Fischer, Bronstein, Simple Delay, Hour Glass and Japanese Byo-Yomi-Main Time: 0-90mins-Delay (Byo-Yomi): 0-60sec-Sound and Move Count Setting-Background (Wallpaper) and Color Setting (Press Menu button)Refer to a web page below for more details."How to use Chess Cloid – Game Clock App for Android -"http://bit.ly/aLpTup