You need knowledge of how to use Cheat Engine
1- First open your game and wait for loading it fully.
2- Now open you County Fair Wagon and take a look at your points.(as example; I have sunflower point 700)
3- Now open your Cheat Engine and scan under 4 Bytes (I have scan for 700)
4- Now don’t need to add them into Address Box
5- Now plant some crops (I planted sunflower and using speed grow harvest them)
6- Now open your County Fair Wagon again and take a look at your points.(now I have 760 points)
7- Now under the Hex Box you will see some option there and select Changed value.
8- Now hit Next Scan ( remind no New Scan)
9- Now find out the same point ( like i have 760 points and i have to find 760 points)
10-Drag it to Address Box and changed the value as you want.(like I changed to 2222 points)
11-Now harvest some sunflower and open you County Fair Wagon………..see the change
Have any problem to understand this cheat???? knock me. I will help you