Tool :
Cheat Engine
Tutorial :
1.Open Farmville 2
2. Open Cheat Engine
3. Change tipe value to "String"
4. First scan " First Code "
5. Select all Address
6. Change with " Second Code "
7. Back to FV2, go to shop, buy and place
8. Visit Friend and back home
9. taataaa.... U get it Building
Goat Nursery