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Depends on if developer did things correctly on their end.... Setting price to desired exact amount, no. Switching it with another item, possible if developer did things wrong

Game: https://play.google.com/store/apps/details?id=com.unicostudio.gemdoku&hl=en_IN&gl=US I want to locate the level value in the com.unicostudio.gemdoku.v2.playerprefs.xml file so i can edit it with GG or CheatDroid. Normally i can cheat the level by overwriting the current com.unicostudio.gemdoku.v2.playerprefs.xml file with the one from older versions since the names and values where readable back then as shown in the screenshots. It was a quick work around but i am rather interested in finding out how the player level is really stored in the current xml file because i noticed quite some games have values like coins stored in a long string. On top of that the string will include more then just the coins, for example it can include some functions that are needed to have the coins appear properly. So if you don't edit the string correctly you will get a undesired result. So i started running some basic tests that i am familiar with. Like comparing the content in the .xml file when i was a level 5 with the content in the .xml file when i became lv6. Then replace the old string with the new string to see which string makes me go back to level 5. Eventually it came down to this string, the string when i was a level 5: <string name="1EBXq7XeVC545LnqsugT4jS%2FTXFJQZG%2BkJ1CodU1l%2BGkd5zLuX%2BoPk2Z1QWV9JkXAJmyRo9KdrM%3D">1EBXq7XeVC5e6TxnIVs%2FT%2BMZXc3zTi%2FMR5bkR5NzbftgLsNAbMjgO2EU4JrjCwSZusRXHZl1d4Li7vw0P3fcuvB36rs0RvYSfwduwbvRwLX%2Fi58tS5lkESmKdSQfxJFpIyTxQcSMn6qkwSNCDJhFDCf7Mp3mA9baBgWYX9q0oKTmi1l2NZ48vf1OXIehi0zKQpAMt6nTIMgQYxIhfxAOxVBrd0180%2FGzugECxwjNwcjfLy%2FaYaoiKA%3D%3D</string> Then when i whent to level 6 the string changed to this: <string name="1EBXq7XeVC545LnqsugT4jS%2FTXFJQZG%2BkJ1CodU1l%2BGkd5zLuX%2BoPk2Z1QWV9JkXAJmyRo9KdrM%3D">1EBXq7XeVC5e6TxnIVs%2FT%2BMZXc3zTi%2FMR5bkR5NzbftgLsNAbMjgO2EU4JrjCwSZusRXHZl1d4Li7vw0P3fcuvB36rs0RvYSe3e5rsbaG7LN%2FfLGOhZwig%2FMiGabQt1ZHSZBQ4B9j%2BAtDkZvUP2cKg9VEQkyvFwu7vRSk%2BtVVpC4EXD6C4IcgN8BjpNq%2FIuWKud5LzCmdIr9TlyHoYtMyuc%2FO%2BdfyyhyJhuGPpaK98AkejcbIKUeIKrfAcOjp%2F0gQSKbb6ZZdJo%3D</string> Only whent up one level in the game. Did not do any extra changes. So i believe every different between both strings should be related to the level. I dunno nothing about encoding or encryption but i did saw that "%2F" and "%3D" occurred a lot in both strings and the internet says that it is common in URL's although i doubt it's a URL did try to decode it as a URL and then it shows me the slashes in the string. Making it look like this (first string is level 5, second string level 6): -- decoded level 5 1EBXq7XeVC5e6TxnIVs/T+MZXc3zTi/MR5bkR5NzbftgLsNAbMjgO2EU4JrjCwSZusRXHZl1d4Li7vw0P3fcuvB36rs0RvYSfwduwbvRwLX/i58tS5lkESmKdSQfxJFpIyTxQcSMn6qkwSNCDJhFDCf7Mp3mA9baBgWYX9q0oKTmi1l2NZ48vf1OXIehi0zKQpAMt6nTIMgQYxIhfxAOxVBrd0180/GzugECxwjNwcjfLy/aYaoiKA== -- decoded level 6 1EBXq7XeVC5e6TxnIVs/T+MZXc3zTi/MR5bkR5NzbftgLsNAbMjgO2EU4JrjCwSZusRXHZl1d4Li7vw0P3fcuvB36rs0RvYSe3e5rsbaG7LN/fLGOhZwig/MiGabQt1ZHSZBQ4B9j+AtDkZvUP2cKg9VEQkyvFwu7vRSk+tVVpC4EXD6C4IcgN8BjpNq/IuWKud5LzCmdIr9TlyHoYtMyuc/O+dfyyhyJhuGPpaK98AkejcbIKUeIKrfAcOjp/0gQSKbb6ZZdJo= Then copy pasted MR5bkR5NzbftgLsNAbMjgO2EU4JrjCwSZusRXHZl1d4Li7vw0P3fcuvB36rs0RvYSfwduwbvRwLX into MR5bkR5NzbftgLsNAbMjgO2EU4JrjCwSZusRXHZl1d4Li7vw0P3fcuvB36rs0RvYSe3e5rsbaG7LN and then encoded it back which resulted the game to kind act weird. The font shows lv1 but then when trying to enter the map it shows lv500 with nothing on the background. This was not the intended result. Some help would be appreciated.

Please stop

Please do some work by urself .

You even attempt this same search to apply it to level? Put some effort into this at least... Edit: Level is stored below coins in same format....

I don't think it's possible to do that with GG. The authorization flow simply wouldn't allow you to send a transaction through with modified price value. And the verification of the product happens at the app creators server. You can trick the system though from the client's part but that would be with it's original price values in order for the transaction to be authorized. You can also do edits at the client without having anything send to the server which mainly for offline games but that wouldn't be a transaction then.

you can search Coins while playing. search, pause before refine to the new value then edit. just Dword (no X4)

exactly. i am glad that you were able to figure it out. ---------------------------------- one more thing. after searching your unit(soldier/vehicle) HP/Scale , you might wanna to look at a Dword value above it.. 65536 to be exact. freeze that value and you now have unlimited turn for that unit.

Love you bro Finally successful