Simple chess board app analytics for March 15

A simple chess board and a chess clock without movement restrictions. Free movement as a real board. Current features are: • Move pieces freely, add or remove them. • Undo/Redo last movement. • Rotate board and/or pieces. • Use checkers game pieces. • Save/load positions for later use, or delete them when you don't need them anymore (swipe over them). Starting positions for chess and checkers are available. • Use a chess clock where you can configure initial time, move time increment, increment after a number of movement, hourglass time, ... • Set time independent for black and white if required. • Save/load time settings for later use. Already available some common times. • Tweet your current position.