This companion app enhances the Tempest Game Clock (sold separately at tempestclock.com). This high-definition, full-color game clock utilizes your Android phone as its display. Designed exclusively for Tempest Game Clock owners, this app provides precise analog and digital timing for various board games, including chess, backgammon, Go, Scrabble, Othello/Reversi, and checkers/draughts. It supports various time controls, including increments, delays, sudden death, and overtime. A crucial feature is the Tournament Mode, which disables all phone and text functions during official games, complying with FIDE and USCF regulations. For a demonstration and to purchase, visit tempestclock.com.