its application : http://apps.facebook.com/pvzadventures/
NOTE :
1. Gems is not permanent or if the original will come back refreshed and no longer be "Unlimited", but "objects" that have been purchased using the "Gem" will still be there or it will not be lost.
2. By enabling this cheat, the "Sun" will also Unlimited
TOOLS :
1. Cheat Engine 6.2 (Recomended) or Latest
2. Download Mozilla Firefox Browser which can be opened PvZ Adventure
TUTORIAL :
1. Open Plant vs Zombie Adventure in browser Mozilla Firefox.
2. Open Cheat Engine 6.2
3. Click "Select a Process to open" and Open "Flash Player Plugin" at the bottom (Image)
4. Change its Value Type to "Double"
5.Scan You Coin
6. Click on one of the houses to get a Coin.
7. Scan Coin has changed again valuenya, to get an "Address"
8. Enter to the "Address List" or Double click the result.
9. Change description so Coin, and Value Change up to you
Tutorial above can be used to "Experience" / XP as well.
11. Right-click the "Coin" in the "Address list", click "Find out what writes to this Adress"
12. Confirmation CE Debugger appears, click OK
13. Click on one of the houses to get a Coin.
14. If you have, in the window "Opcode Write" or earlier Debugger will look 1 Instruction.
15. Select and click "Show assembler"
16. It will appear window "Memory Viewer"
17. Double click on the address at the top
18. Replace Opcodenya a Code Here
add [ecx +50], 1000
19. Ok, Close all Opcode Writer jendel earlier, and leaving the window "Cheat Engine"
20. Go to http://pastebin.com/30jCgpPj do not shut down
21. Cheat Engine switch on its value type to "Array of Bytes.
22. Go to pastebin again, take one byte that has been provided, adapted to GEMS that you guys have,
For example, you have 58 GEMS then choose 00 00 00 00 00 00 F0 BF 00 00 00 00 00 00 4D 40
23. Scan the code that you already get.
24. You will get 1 address. 2x click or move to "Address list"
25. Change the value to the following code:
00 00 00 00 00 00 F0 BF 00 00 80 FF 64 CD CD 41
26. HAPPY SHOPPING: D
SORRY FOR MY BAD ENGLISH
Source : http://www.exo-a7x.com/2013/06/cheat-plant-vs-zombie-adventure.html