open game in cheat engine, search value of money you have, next buy something in store or just casino ticket and search new value of money you have now and you can change this value now (something like that and sorry for my english)
Edited:
in new update they now checking how you gets money. i was able to decompile the game and create this save. all instructons in README:
https://drive.google.com/drive/folders/1buyCUyqalgyTFM5H_uN26ZjeTkgKYlFL?usp=dri...