Just click on the Green Flag The Click on the apple you'll see a variable Called Points and Automatic points per second. Just keep clicking the apple once you reach 10 points, in the right of your the screen you'll see an Orange, Banana and Watermelon those are point boosters if u have 10 points click on the orange it'll give u Auto +1 point per second, once it gives u that, u must have 20 points to click on the banana and it'll give u Auto +3 points per second Then if u have 50 points you can buy the Watermelon once u buy that it'll give u Auto 5 points per second, Now go ahead and Start playing it
All Credits are for @Ahmed20211