Name of the cheat, mod, or hack (credits: wendgames):
-UNLIMITED MONEY

Dolmus Driver MOD APK 1.52 (Unlimited Money)

Manual Steps:
1. Install APK
2. Play

Download the CACHE file/OBB file. They should be .zip or .rar files.
Extract the file to your sdcard.
Move the extracted folder to the location: /sdcard/Android/obb