it can be used in any version before 2.0, but rocky road will crash below 1.12.0, due to the monkey kart being selected, it has every episode unlocked, default upgradable karts maxed to l4, special karts unlocked, but episodes except seedway don't have the tracks unlocked

rename the save file to save_guest.dat, you can use it on emulator if you don't have a rooted device