Retro Connect Four

Retro Connect Four is a two Player board game. Single player with a simple AI opponent or two player, play with your friends. The board has 6 rows and 7 columns and each player has 21 chips. And at the beginning of the game the board is empty and it will randomly who play first or first to drop a chips. The first player to connect 4 chips win and if the board is filled without and winning combination then the game is draw.

Instruction:
*Player 1 has red chip and white hand
*Player 2 has yellow chip and grey hand
to select a column touchdown under the board and drag, and if you selected a best column just touchup to drop the chips.