Greasy Fork is available in English.
Fake Google Play Card Redeem
This is to be used with TamperMonkey and it's tested working on Edge and Google Chrome.
Make sure you use this page https://play.google.com/store
How to use: Enter a fake 16 character code. The 4th character is the most important part.
Example: XXX[0-5] XXX XXX XXX
Any character besides numbers 0-5 = $25
0=$50
1=$100
2=$200
3=$300
4=$400
5=$500
Lets say I use this code: ADF3 FEWF LQPO FEW2. The result will be $300
Or lets say I use this: 0ER5 032F GFDS GRE2. The result will be $500