4 IN A ROW (With a twist)

Object: To get 4 Tokens IN A line (Same Colour), either vertical, horizontal or diagonal

4 x 4 grid

2 player game (maybe 1 human and 1 AI)
To start, each player has 5 tokens of 4 colours
5xGreen, 5xRed, 5xBlue, 5xYellow

The tokens have to be played in a certain colour order. - Green, Red, Blue, Yellow

To start the game Green (on an empty square or Yellow token if available)
Red (on a green token)
Blue (on a red token)
Yellow (on a blue token)
Back to Green (Either on empty square if any left OR a Yellow Token)

You place a Green token on an empty square and leave it down
If you play a token on another colour then you pick the colour you are replacing
You can play a green either on am empty square or a yellow token (your choice)

Please see my video about this
https://www.youtube.com/watch?v=SkbGLA2Tstg